| Base | Representation |
|---|---|
| bin | 110000000001101010111001… |
| … | …010001010010110011001100 |
| 3 | 1000200212112100100121001200010 |
| 4 | 300001222321101102303030 |
| 5 | 210141121112030013400 |
| 6 | 2025121331544233220 |
| 7 | 62330133350515521 |
| oct | 6001527121226314 |
| 9 | 1020775310531603 |
| 10 | 211221010001100 |
| 11 | 61335366697230 |
| 12 | 1b834068a6b810 |
| 13 | 90b20957090c8 |
| 14 | 3a23219755148 |
| 15 | 1964523443450 |
| hex | c01ab9452ccc |
211221010001100 has 432 divisors, whose sum is σ = 676712972347776. Its totient is φ = 50446371456000.
The previous prime is 211221010001093. The next prime is 211221010001107. The reversal of 211221010001100 is 1100010122112.
It is an interprime number because it is at equal distance from previous prime (211221010001093) and next prime (211221010001107).
It is a super-2 number, since 2×2112210100011002 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is not an unprimeable number, because it can be changed into a prime (211221010001107) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 9617994120 + ... + 9618016080.
It is an arithmetic number, because the mean of its divisors is an integer number (1566465213768).
Almost surely, 2211221010001100 is an apocalyptic number.
211221010001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 211221010001100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338356486173888).
211221010001100 is an abundant number, since it is smaller than the sum of its proper divisors (465491962346676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211221010001100 is a wasteful number, since it uses less digits than its factorization.
211221010001100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22614 (or 22528 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 211221010001100 its reverse (1100010122112), we get a palindrome (212321020123212).
The spelling of 211221010001100 in words is "two hundred eleven trillion, two hundred twenty-one billion, ten million, one thousand, one hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •