211133031132 has 48 divisors (see below), whose sum is σ = 493921562400. Its totient is φ = 70195249152.

The previous prime is 211133031079. The next prime is 211133031133. The reversal of 211133031132 is 231130331112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211133031099 and 211133031108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211133031133) 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, 19806348 + ... + 19817004.

It is an arithmetic number, because the mean of its divisors is an integer number (10290032550).

Almost surely, 2^211133031132 is an apocalyptic number.

It is an amenable number.

211133031132 is an abundant number, since it is smaller than the sum of its proper divisors (282788531268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211133031132 is a wasteful number, since it uses less digits than its factorization.

211133031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14790 (or 14788 counting only the distinct ones).

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

Adding to 211133031132 its reverse (231130331112), we get a palindrome (442263362244).

The spelling of 211133031132 in words is "two hundred eleven billion, one hundred thirty-three million, thirty-one thousand, one hundred thirty-two".