213120112011 has 8 divisors (see below), whose sum is σ = 284323372944. Its totient is φ = 141998462880.

The previous prime is 213120111989. The next prime is 213120112027. The reversal of 213120112011 is 110211021312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213120112011 - 2⁵ = 213120111979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213120110011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20396856 + ... + 20407301.

It is an arithmetic number, because the mean of its divisors is an integer number (35540421618).

Almost surely, 2^213120112011 is an apocalyptic number.

213120112011 is a deficient number, since it is larger than the sum of its proper divisors (71203260933).

213120112011 is a wasteful number, since it uses less digits than its factorization.

213120112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40805901.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 213120112011 its reverse (110211021312), we get a palindrome (323331133323).

The spelling of 213120112011 in words is "two hundred thirteen billion, one hundred twenty million, one hundred twelve thousand, eleven".