22221011121002 has 16 divisors (see below), whose sum is σ = 33439883104512. Its totient is φ = 11074387403040.

The previous prime is 22221011120989. The next prime is 22221011121013. The reversal of 22221011121002 is 20012111012222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10273127 + ... + 12246597.

It is an arithmetic number, because the mean of its divisors is an integer number (2089992694032).

Almost surely, 2^{22221011121002} is an apocalyptic number.

22221011121002 is a deficient number, since it is larger than the sum of its proper divisors (11218871983510).

22221011121002 is a wasteful number, since it uses less digits than its factorization.

22221011121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991773.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22221011121002 its reverse (20012111012222), we get a palindrome (42233122133224).

The spelling of 22221011121002 in words is "twenty-two trillion, two hundred twenty-one billion, eleven million, one hundred twenty-one thousand, two".