121331311231122 has 24 divisors (see below), whose sum is σ = 263678720694480. Its totient is φ = 40321583790840.

The previous prime is 121331311231111. The next prime is 121331311231159. The reversal of 121331311231122 is 221132113133121.

121331311231122 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 31 + 311 + 2 + 311 + 2 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10182212172 + ... + 10182224087.

It is an arithmetic number, because the mean of its divisors is an integer number (10986613362270).

Almost surely, 2^{121331311231122} is an apocalyptic number.

121331311231122 is an abundant number, since it is smaller than the sum of its proper divisors (142347409463358).

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

121331311231122 is a wasteful number, since it uses less digits than its factorization.

121331311231122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20364436598 (or 20364436595 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

Adding to 121331311231122 its reverse (221132113133121), we get a palindrome (342463424364243).

The spelling of 121331311231122 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, three hundred eleven million, two hundred thirty-one thousand, one hundred twenty-two".