22010111202121 has 32 divisors (see below), whose sum is σ = 25718200123392. Its totient is φ = 18443872687680.

The previous prime is 22010111202119. The next prime is 22010111202199. The reversal of 22010111202121 is 12120211101022.

It is a cyclic number.

It is not a de Polignac number, because 22010111202121 - 2¹ = 22010111202119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22010111202095 and 22010111202104.

It is not an unprimeable number, because it can be changed into a prime (22010111242121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1651536160 + ... + 1651549486.

It is an arithmetic number, because the mean of its divisors is an integer number (803693753856).

Almost surely, 2^{22010111202121} is an apocalyptic number.

It is an amenable number.

22010111202121 is a deficient number, since it is larger than the sum of its proper divisors (3708088921271).

22010111202121 is a wasteful number, since it uses less digits than its factorization.

22010111202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18589.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22010111202121 its reverse (12120211101022), we get a palindrome (34130322303143).

The spelling of 22010111202121 in words is "twenty-two trillion, ten billion, one hundred eleven million, two hundred two thousand, one hundred twenty-one".