22121202020010 has 64 divisors (see below), whose sum is σ = 53511356436480. Its totient is φ = 5852421074240.

The previous prime is 22121202019991. The next prime is 22121202020059. The reversal of 22121202020010 is 1002020212122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2464422 + ... + 7093361.

It is an arithmetic number, because the mean of its divisors is an integer number (836114944320).

Almost surely, 2^{22121202020010} is an apocalyptic number.

22121202020010 is an abundant number, since it is smaller than the sum of its proper divisors (31390154416470).

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

22121202020010 is a wasteful number, since it uses less digits than its factorization.

22121202020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9558403.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22121202020010 its reverse (1002020212122), we get a palindrome (23123222232132).

The spelling of 22121202020010 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred two million, twenty thousand, ten".