22021120101020 has 48 divisors (see below), whose sum is σ = 46903128888000. Its totient is φ = 8683778949120.

The previous prime is 22021120100983. The next prime is 22021120101059. The reversal of 22021120101020 is 2010102112022.

It is a junction number, because it is equal to n+sod(n) for n = 22021120100986 and 22021120101004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24946661 + ... + 25814300.

It is an arithmetic number, because the mean of its divisors is an integer number (977148518500).

Almost surely, 2^{22021120101020} is an apocalyptic number.

22021120101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021120101020 is an abundant number, since it is smaller than the sum of its proper divisors (24882008786980).

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

22021120101020 is a wasteful number, since it uses less digits than its factorization.

22021120101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50761278 (or 50761276 counting only the distinct ones).

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

Adding to 22021120101020 its reverse (2010102112022), we get a palindrome (24031222213042).

The spelling of 22021120101020 in words is "twenty-two trillion, twenty-one billion, one hundred twenty million, one hundred one thousand, twenty".