122122202111 has 24 divisors (see below), whose sum is σ = 153062343504. Its totient is φ = 96577367040.

The previous prime is 122122202107. The next prime is 122122202117. The reversal of 122122202111 is 111202221221.

It is not a de Polignac number, because 122122202111 - 2² = 122122202107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122122202111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122202117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1300616 + ... + 1391346.

It is an arithmetic number, because the mean of its divisors is an integer number (6377597646).

Almost surely, 2^122122202111 is an apocalyptic number.

122122202111 is a deficient number, since it is larger than the sum of its proper divisors (30940141393).

122122202111 is a wasteful number, since it uses less digits than its factorization.

122122202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92871 (or 92864 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122122202111 its reverse (111202221221), we get a palindrome (233324423332).

The spelling of 122122202111 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred two thousand, one hundred eleven".