211131101133 has 12 divisors (see below), whose sum is σ = 304991477440. Its totient is φ = 140742837576.

The previous prime is 211131101117. The next prime is 211131101143. The reversal of 211131101133 is 331101131112.

It is not a de Polignac number, because 211131101133 - 2⁴ = 211131101117 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 (211131101143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 815941 + ... + 1043082.

Almost surely, 2^211131101133 is an apocalyptic number.

It is an amenable number.

211131101133 is a deficient number, since it is larger than the sum of its proper divisors (93860376307).

211131101133 is a wasteful number, since it uses less digits than its factorization.

211131101133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871648 (or 1871645 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 211131101133 its reverse (331101131112), we get a palindrome (542232232245).

The spelling of 211131101133 in words is "two hundred eleven billion, one hundred thirty-one million, one hundred one thousand, one hundred thirty-three".