22121000002102 has 12 divisors (see below), whose sum is σ = 33971108445900. Its totient is φ = 10803279068988.

The previous prime is 22121000002091. The next prime is 22121000002141. The reversal of 22121000002102 is 20120000012122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2990937352 + ... + 2990944747.

It is an arithmetic number, because the mean of its divisors is an integer number (2830925703825).

Almost surely, 2^{22121000002102} is an apocalyptic number.

22121000002102 is a deficient number, since it is larger than the sum of its proper divisors (11850108443798).

22121000002102 is an equidigital number, since it uses as much as digits as its factorization.

22121000002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5981882187 (or 5981882144 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22121000002102 its reverse (20120000012122), we get a palindrome (42241000014224).

The spelling of 22121000002102 in words is "twenty-two trillion, one hundred twenty-one billion, two thousand, one hundred two".