211202231133 has 16 divisors (see below), whose sum is σ = 292195467200. Its totient is φ = 135583704576.

The previous prime is 211202231129. The next prime is 211202231143. The reversal of 211202231133 is 331132202112.

It is not a de Polignac number, because 211202231133 - 2² = 211202231129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211202231143) 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, 9797083 + ... + 9818616.

It is an arithmetic number, because the mean of its divisors is an integer number (18262216700).

Almost surely, 2^211202231133 is an apocalyptic number.

It is an amenable number.

211202231133 is a deficient number, since it is larger than the sum of its proper divisors (80993236067).

211202231133 is a wasteful number, since it uses less digits than its factorization.

211202231133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19615836.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211202231133 its reverse (331132202112), we get a palindrome (542334433245).

The spelling of 211202231133 in words is "two hundred eleven billion, two hundred two million, two hundred thirty-one thousand, one hundred thirty-three".