22221100202002 has 32 divisors (see below), whose sum is σ = 35970509191680. Its totient is φ = 10234498538880.

The previous prime is 22221100201967. The next prime is 22221100202017. The reversal of 22221100202002 is 20020200112222.

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, 414600118 + ... + 414653710.

It is an arithmetic number, because the mean of its divisors is an integer number (1124078412240).

Almost surely, 2^{22221100202002} is an apocalyptic number.

22221100202002 is a deficient number, since it is larger than the sum of its proper divisors (13749408989678).

22221100202002 is a wasteful number, since it uses less digits than its factorization.

22221100202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86578.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22221100202002 its reverse (20020200112222), we get a palindrome (42241300314224).

The spelling of 22221100202002 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred million, two hundred two thousand, two".