122511112321122 has 80 divisors (see below), whose sum is σ = 315023240212032. Its totient is φ = 35003174870160.

The previous prime is 122511112321099. The next prime is 122511112321201. The reversal of 122511112321122 is 221123211115221.

122511112321122 is a `hidden beast` number, since 1 + 2 + 2 + 511 + 1 + 1 + 2 + 3 + 21 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 222017629 + ... + 222568752.

Almost surely, 2^{122511112321122} is an apocalyptic number.

122511112321122 is an abundant number, since it is smaller than the sum of its proper divisors (192512127890910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122511112321122 is an frugal number, since it uses more digits than its factorization.

122511112321122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444586417 (or 444586393 counting only the distinct ones).

The product of its digits is 960, while the sum is 27.

Adding to 122511112321122 its reverse (221123211115221), we get a palindrome (343634323436343).

The spelling of 122511112321122 in words is "one hundred twenty-two trillion, five hundred eleven billion, one hundred twelve million, three hundred twenty-one thousand, one hundred twenty-two".