1331000131122 has 48 divisors (see below), whose sum is σ = 2952537149952. Its totient is φ = 433144022400.

The previous prime is 1331000131079. The next prime is 1331000131159. The reversal of 1331000131122 is 2211310001331.

1331000131122 is a `hidden beast` number, since 1 + 331 + 0 + 0 + 0 + 1 + 311 + 22 = 666.

It is a super-2 number, since 2×1331000131122² (a number of 25 digits) contains 22 as substring.

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 = 1331000131095 and 1331000131104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1622458 + ... + 2300949.

It is an arithmetic number, because the mean of its divisors is an integer number (61511190624).

Almost surely, 2^{1331000131122} is an apocalyptic number.

1331000131122 is an abundant number, since it is smaller than the sum of its proper divisors (1621537018830).

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

1331000131122 is a wasteful number, since it uses less digits than its factorization.

1331000131122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923863 (or 3923860 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1331000131122 its reverse (2211310001331), we get a palindrome (3542310132453).

The spelling of 1331000131122 in words is "one trillion, three hundred thirty-one billion, one hundred thirty-one thousand, one hundred twenty-two".