12221122120102 has 32 divisors (see below), whose sum is σ = 21015184568832. Its totient is φ = 5221476262464.

The previous prime is 12221122120087. The next prime is 12221122120139. The reversal of 12221122120102 is 20102122112221.

12221122120102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12221122120102.

It is a congruent number.

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, 4864023 + ... + 6935485.

It is an arithmetic number, because the mean of its divisors is an integer number (656724517776).

Almost surely, 2^{12221122120102} is an apocalyptic number.

12221122120102 is a deficient number, since it is larger than the sum of its proper divisors (8794062448730).

12221122120102 is a wasteful number, since it uses less digits than its factorization.

12221122120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072772.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12221122120102 its reverse (20102122112221), we get a palindrome (32323244232323).

The spelling of 12221122120102 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty-two million, one hundred twenty thousand, one hundred two".