122122223121112 has 64 divisors (see below), whose sum is σ = 235442508739200. Its totient is φ = 59348733696000.

The previous prime is 122122223121097. The next prime is 122122223121163. The reversal of 122122223121112 is 211121322221221.

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, 2725372564 + ... + 2725417372.

It is an arithmetic number, because the mean of its divisors is an integer number (3678789199050).

Almost surely, 2^{122122223121112} is an apocalyptic number.

It is an amenable number.

122122223121112 is a deficient number, since it is larger than the sum of its proper divisors (113320285618088).

122122223121112 is a wasteful number, since it uses less digits than its factorization.

122122223121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75788 (or 75784 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

Adding to 122122223121112 its reverse (211121322221221), we get a palindrome (333243545342333).

The spelling of 122122223121112 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, two hundred twenty-three million, one hundred twenty-one thousand, one hundred twelve".