22102021121019 has 48 divisors (see below), whose sum is σ = 34403538963456. Its totient is φ = 12584494540800.

The previous prime is 22102021121009. The next prime is 22102021121021. The reversal of 22102021121019 is 91012112020122.

It is not a de Polignac number, because 22102021121019 - 2²⁴ = 22102004343803 is a prime.

It is a super-2 number, since 2×22102021121019² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22102021121019.

It is not an unprimeable number, because it can be changed into a prime (22102021121009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126411579 + ... + 126586299.

It is an arithmetic number, because the mean of its divisors is an integer number (716740395072).

Almost surely, 2^{22102021121019} is an apocalyptic number.

22102021121019 is a deficient number, since it is larger than the sum of its proper divisors (12301517842437).

22102021121019 is a wasteful number, since it uses less digits than its factorization.

22102021121019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177816 (or 177809 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 22102021121019 in words is "twenty-two trillion, one hundred two billion, twenty-one million, one hundred twenty-one thousand, nineteen".