22102010002021 has 16 divisors (see below), whose sum is σ = 23409657936000. Its totient is φ = 20795199925248.

The previous prime is 22102010002019. The next prime is 22102010002067. The reversal of 22102010002021 is 12020001020122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22102010002021 - 2¹ = 22102010002019 is a prime.

It is a super-2 number, since 2×22102010002021² (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 = 22102010001992 and 22102010002010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102010002001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1013889280 + ... + 1013911078.

It is an arithmetic number, because the mean of its divisors is an integer number (1463103621000).

Almost surely, 2^{22102010002021} is an apocalyptic number.

It is an amenable number.

22102010002021 is a deficient number, since it is larger than the sum of its proper divisors (1307647933979).

22102010002021 is a wasteful number, since it uses less digits than its factorization.

22102010002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38268.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22102010002021 its reverse (12020001020122), we get a palindrome (34122011022143).

The spelling of 22102010002021 in words is "twenty-two trillion, one hundred two billion, ten million, two thousand, twenty-one".