133112021231122 has 4 divisors (see below), whose sum is σ = 199668031846686. Its totient is φ = 66556010615560.

The previous prime is 133112021231117. The next prime is 133112021231143. The reversal of 133112021231122 is 221132120211331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 99447784467201 + 33664236763921 = 9972351^2 + 5802089^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33278005307779 + ... + 33278005307782.

Almost surely, 2^{133112021231122} is an apocalyptic number.

133112021231122 is a deficient number, since it is larger than the sum of its proper divisors (66556010615564).

133112021231122 is an equidigital number, since it uses as much as digits as its factorization.

133112021231122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66556010615563.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 133112021231122 its reverse (221132120211331), we get a palindrome (354244141442453).

The spelling of 133112021231122 in words is "one hundred thirty-three trillion, one hundred twelve billion, twenty-one million, two hundred thirty-one thousand, one hundred twenty-two".