22121000022202 has 16 divisors (see below), whose sum is σ = 33205833375552. Its totient is φ = 11052391873600.

The previous prime is 22121000022193. The next prime is 22121000022263. The reversal of 22121000022202 is 20222000012122.

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, 14176713 + ... + 15659539.

It is an arithmetic number, because the mean of its divisors is an integer number (2075364585972).

Almost surely, 2^{22121000022202} is an apocalyptic number.

22121000022202 is a deficient number, since it is larger than the sum of its proper divisors (11084833353350).

22121000022202 is a wasteful number, since it uses less digits than its factorization.

22121000022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488293.

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

Adding to 22121000022202 its reverse (20222000012122), we get a palindrome (42343000034324).

The spelling of 22121000022202 in words is "twenty-two trillion, one hundred twenty-one billion, twenty-two thousand, two hundred two".