211033133121 has 16 divisors (see below), whose sum is σ = 300103804224. Its totient is φ = 131446424064.

The previous prime is 211033133107. The next prime is 211033133147. The reversal of 211033133121 is 121331330112.

It is a happy number.

It is not a de Polignac number, because 211033133121 - 2⁵ = 211033133089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211033133021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15094855 + ... + 15108828.

It is an arithmetic number, because the mean of its divisors is an integer number (18756487764).

Almost surely, 2^211033133121 is an apocalyptic number.

It is an amenable number.

211033133121 is a deficient number, since it is larger than the sum of its proper divisors (89070671103).

211033133121 is a wasteful number, since it uses less digits than its factorization.

211033133121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30203840.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 211033133121 its reverse (121331330112), we get a palindrome (332364463233).

The spelling of 211033133121 in words is "two hundred eleven billion, thirty-three million, one hundred thirty-three thousand, one hundred twenty-one".