133110231121021 has 32 divisors (see below), whose sum is σ = 169664433020928. Its totient is φ = 101408876903040.

The previous prime is 133110231120961. The next prime is 133110231121067. The reversal of 133110231121021 is 120121132011331.

It is not a de Polignac number, because 133110231121021 - 2¹³ = 133110231112829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133110231120983 and 133110231121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133110231131021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15848545 + ... + 22746358.

It is an arithmetic number, because the mean of its divisors is an integer number (5302013531904).

Almost surely, 2^{133110231121021} is an apocalyptic number.

133110231121021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133110231121021 is a deficient number, since it is larger than the sum of its proper divisors (36554201899907).

133110231121021 is a wasteful number, since it uses less digits than its factorization.

133110231121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38595921.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 133110231121021 its reverse (120121132011331), we get a palindrome (253231363132352).

The spelling of 133110231121021 in words is "one hundred thirty-three trillion, one hundred ten billion, two hundred thirty-one million, one hundred twenty-one thousand, twenty-one".