22100121010212 has 24 divisors (see below), whose sum is σ = 58933656027456. Its totient is φ = 6314320288608.

The previous prime is 22100121010193. The next prime is 22100121010241. The reversal of 22100121010212 is 21201012100122.

It is a junction number, because it is equal to n+sod(n) for n = 22100121010191 and 22100121010200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131548339263 + ... + 131548339430.

It is an arithmetic number, because the mean of its divisors is an integer number (2455569001144).

Almost surely, 2^{22100121010212} is an apocalyptic number.

It is an amenable number.

22100121010212 is an abundant number, since it is smaller than the sum of its proper divisors (36833535017244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22100121010212 is a wasteful number, since it uses less digits than its factorization.

22100121010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263096678707 (or 263096678705 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22100121010212 its reverse (21201012100122), we get a palindrome (43301133110334).

The spelling of 22100121010212 in words is "twenty-two trillion, one hundred billion, one hundred twenty-one million, ten thousand, two hundred twelve".