22010111012021 has 12 divisors (see below), whose sum is σ = 24194326009056. Its totient is φ = 20008038838920.

The previous prime is 22010111011951. The next prime is 22010111012063. The reversal of 22010111012021 is 12021011101022.

It is not a de Polignac number, because 22010111012021 - 2²² = 22010106817717 is a prime.

It is a super-2 number, since 2×22010111012021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22010111011987 and 22010111012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010111012921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3128831 + ... + 7335516.

It is an arithmetic number, because the mean of its divisors is an integer number (2016193834088).

Almost surely, 2^{22010111012021} is an apocalyptic number.

It is an amenable number.

22010111012021 is a deficient number, since it is larger than the sum of its proper divisors (2184214997035).

22010111012021 is a wasteful number, since it uses less digits than its factorization.

22010111012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10481752 (or 10481741 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22010111012021 its reverse (12021011101022), we get a palindrome (34031122113043).

The spelling of 22010111012021 in words is "twenty-two trillion, ten billion, one hundred eleven million, twelve thousand, twenty-one".