22102110021020 has 24 divisors (see below), whose sum is σ = 46414535189568. Its totient is φ = 8840824171200.

The previous prime is 22102110021001. The next prime is 22102110021067. The reversal of 22102110021020 is 2012001120122.

It is a junction number, because it is equal to n+sod(n) for n = 22102110020986 and 22102110021004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10701650 + ... + 12598790.

It is an arithmetic number, because the mean of its divisors is an integer number (1933938966232).

Almost surely, 2^{22102110021020} is an apocalyptic number.

22102110021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102110021020 is an abundant number, since it is smaller than the sum of its proper divisors (24312425168548).

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

22102110021020 is a wasteful number, since it uses less digits than its factorization.

22102110021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479661 (or 2479659 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22102110021020 its reverse (2012001120122), we get a palindrome (24114111141142).

The spelling of 22102110021020 in words is "twenty-two trillion, one hundred two billion, one hundred ten million, twenty-one thousand, twenty".