213112032111 has 96 divisors (see below), whose sum is σ = 349984567296. Its totient is φ = 123793920000.

The previous prime is 213112032101. The next prime is 213112032137. The reversal of 213112032111 is 111230211312.

213112032111 is a `hidden beast` number, since 2 + 1 + 311 + 20 + 321 + 11 = 666.

It is not a de Polignac number, because 213112032111 - 2⁶ = 213112032047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213112032101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 267392365 + ... + 267393161.

It is an arithmetic number, because the mean of its divisors is an integer number (3645672576).

Almost surely, 2^213112032111 is an apocalyptic number.

213112032111 is a deficient number, since it is larger than the sum of its proper divisors (136872535185).

213112032111 is a wasteful number, since it uses less digits than its factorization.

213112032111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573 (or 1570 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 213112032111 its reverse (111230211312), we get a palindrome (324342243423).

The spelling of 213112032111 in words is "two hundred thirteen billion, one hundred twelve million, thirty-two thousand, one hundred eleven".