1222221111202 has 16 divisors (see below), whose sum is σ = 2256408205632. Its totient is φ = 483516043920.

The previous prime is 1222221111193. The next prime is 1222221111217. The reversal of 1222221111202 is 2021111222221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222221111202.

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, 3357750124 + ... + 3357750487.

It is an arithmetic number, because the mean of its divisors is an integer number (141025512852).

Almost surely, 2^{1222221111202} is an apocalyptic number.

1222221111202 is a deficient number, since it is larger than the sum of its proper divisors (1034187094430).

1222221111202 is a wasteful number, since it uses less digits than its factorization.

1222221111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6715500633.

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

Adding to 1222221111202 its reverse (2021111222221), we get a palindrome (3243332333423).

The spelling of 1222221111202 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred eleven thousand, two hundred two".