Base | Representation |
---|---|
bin | 11110101110001110100… |
… | …100111110011110111010 |
3 | 21110211102121210001121220 |
4 | 132232032210332132322 |
5 | 234042240034000442 |
6 | 4253514225012510 |
7 | 305350011256443 |
oct | 36561644763672 |
9 | 7424377701556 |
10 | 2111221000122 |
11 | 744400240403 |
12 | 2a1203784136 |
13 | 1241199c9150 |
14 | 7427dcac2ca |
15 | 39db73aceec |
hex | 1eb8e93e7ba |
2111221000122 has 32 divisors (see below), whose sum is σ = 4554811464000. Its totient is φ = 648525571200.
The previous prime is 2111221000111. The next prime is 2111221000153. The reversal of 2111221000122 is 2210001221112.
It is a super-2 number, since 2×21112210001222 (a number of 25 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22471372 + ... + 22565127.
It is an arithmetic number, because the mean of its divisors is an integer number (142337858250).
Almost surely, 22111221000122 is an apocalyptic number.
2111221000122 is an abundant number, since it is smaller than the sum of its proper divisors (2443590463878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2111221000122 is a wasteful number, since it uses less digits than its factorization.
2111221000122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45037118.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 2111221000122 its reverse (2210001221112), we get a palindrome (4321222221234).
The spelling of 2111221000122 in words is "two trillion, one hundred eleven billion, two hundred twenty-one million, one hundred twenty-two", and thus it is an aban number.
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