22021120012002 has 32 divisors (see below), whose sum is σ = 46638029161152. Its totient is φ = 6907835687424.

The previous prime is 22021120011997. The next prime is 22021120012013. The reversal of 22021120012002 is 20021002112022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10790803 + ... + 12668214.

It is an arithmetic number, because the mean of its divisors is an integer number (1457438411286).

Almost surely, 2^{22021120012002} is an apocalyptic number.

22021120012002 is an abundant number, since it is smaller than the sum of its proper divisors (24616909149150).

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

22021120012002 is a wasteful number, since it uses less digits than its factorization.

22021120012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23468242.

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

Adding to 22021120012002 its reverse (20021002112022), we get a palindrome (42042122124024).

The spelling of 22021120012002 in words is "twenty-two trillion, twenty-one billion, one hundred twenty million, twelve thousand, two".