122221222102 has 16 divisors (see below), whose sum is σ = 209875434912. Its totient is φ = 52292188800.

The previous prime is 122221222091. The next prime is 122221222147. The reversal of 122221222102 is 201222122221.

It is a self number, because there is not a number n which added to its sum of digits gives 122221222102.

It is a congruent number.

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, 7352649 + ... + 7369252.

It is an arithmetic number, because the mean of its divisors is an integer number (13117214682).

Almost surely, 2^122221222102 is an apocalyptic number.

122221222102 is a deficient number, since it is larger than the sum of its proper divisors (87654212810).

122221222102 is a wasteful number, since it uses less digits than its factorization.

122221222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14722503.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122221222102 its reverse (201222122221), we get a palindrome (323443344323).

The spelling of 122221222102 in words is "one hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred two".