| Base | Representation |
|---|---|
| bin | 1100010010110100101… |
| … | …0110111010011101000 |
| 3 | 202012011200011200101012 |
| 4 | 3010231022313103220 |
| 5 | 11430030033021300 |
| 6 | 241010141243052 |
| 7 | 21155003515121 |
| oct | 3045512672350 |
| 9 | 665150150335 |
| 10 | 211211220200 |
| 11 | 81635255942 |
| 12 | 34b26263488 |
| 13 | 16bbcc2bb96 |
| 14 | a319055048 |
| 15 | 5762837435 |
| hex | 312d2b74e8 |
211211220200 has 96 divisors (see below), whose sum is σ = 497693993760. Its totient is φ = 83350176000.
The previous prime is 211211220197. The next prime is 211211220211. The reversal of 211211220200 is 2022112112.
211211220200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2112112202002 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5698127 + ... + 5735073.
It is an arithmetic number, because the mean of its divisors is an integer number (5184312435).
Almost surely, 2211211220200 is an apocalyptic number.
211211220200 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 211211220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248846996880).
211211220200 is an abundant number, since it is smaller than the sum of its proper divisors (286482773560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211211220200 is a wasteful number, since it uses less digits than its factorization.
211211220200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37347 (or 37338 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 211211220200 its reverse (2022112112), we get a palindrome (213233332312).
It can be divided in two parts, 2112112 and 20200, that added together give a palindrome (2132312).
The spelling of 211211220200 in words is "two hundred eleven billion, two hundred eleven million, two hundred twenty thousand, two hundred".
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