133121233312011 has 32 divisors (see below), whose sum is σ = 230185989396480. Its totient is φ = 74450780935488.

The previous prime is 133121233311959. The next prime is 133121233312049. The reversal of 133121233312011 is 110213332121331.

133121233312011 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 2 + 123 + 331 + 201 + 1 = 666.

133121233312011 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 133121233312011 - 2²⁶ = 133121166203147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (133121233392011) 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, 7493024626 + ... + 7493042391.

It is an arithmetic number, because the mean of its divisors is an integer number (7193312168640).

Almost surely, 2^{133121233312011} is an apocalyptic number.

133121233312011 is a deficient number, since it is larger than the sum of its proper divisors (97064756084469).

133121233312011 is a wasteful number, since it uses less digits than its factorization.

133121233312011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14986067080 (or 14986067074 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 133121233312011 its reverse (110213332121331), we get a palindrome (243334565433342).

The spelling of 133121233312011 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, two hundred thirty-three million, three hundred twelve thousand, eleven".