321131101122 has 32 divisors (see below), whose sum is σ = 768518876160. Its totient is φ = 98809569360.

The previous prime is 321131101117. The next prime is 321131101129. The reversal of 321131101122 is 221101131123.

321131101122 is a `hidden beast` number, since 321 + 1 + 311 + 0 + 11 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 321131101095 and 321131101104.

It is not an unprimeable number, because it can be changed into a prime (321131101129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228725154 + ... + 228726557.

It is an arithmetic number, because the mean of its divisors is an integer number (24016214880).

Almost surely, 2^321131101122 is an apocalyptic number.

321131101122 is an abundant number, since it is smaller than the sum of its proper divisors (447387775038).

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

321131101122 is a wasteful number, since it uses less digits than its factorization.

321131101122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457451735 (or 457451729 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 321131101122 its reverse (221101131123), we get a palindrome (542232232245).

The spelling of 321131101122 in words is "three hundred twenty-one billion, one hundred thirty-one million, one hundred one thousand, one hundred twenty-two".