213232101111 has 6 divisors (see below), whose sum is σ = 308001923840. Its totient is φ = 142154734068.

The previous prime is 213232101079. The next prime is 213232101119. The reversal of 213232101111 is 111101232312.

213232101111 is a `hidden beast` number, since 21 + 323 + 210 + 1 + 111 = 666.

It is not a de Polignac number, because 213232101111 - 2⁵ = 213232101079 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 (213232101119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11846227831 + ... + 11846227848.

Almost surely, 2^213232101111 is an apocalyptic number.

213232101111 is a deficient number, since it is larger than the sum of its proper divisors (94769822729).

213232101111 is a wasteful number, since it uses less digits than its factorization.

213232101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23692455685 (or 23692455682 counting only the distinct ones).

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

Adding to 213232101111 its reverse (111101232312), we get a palindrome (324333333423).

The spelling of 213232101111 in words is "two hundred thirteen billion, two hundred thirty-two million, one hundred one thousand, one hundred eleven".