213030032111 has 4 divisors (see below), whose sum is σ = 229416957672. Its totient is φ = 196643106552.

The previous prime is 213030032087. The next prime is 213030032129. The reversal of 213030032111 is 111230030312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213030032111 - 2²⁶ = 212962923247 is a prime.

It is a super-2 number, since 2×213030032111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213030032111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213030032141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8193462761 + ... + 8193462786.

It is an arithmetic number, because the mean of its divisors is an integer number (57354239418).

Almost surely, 2^213030032111 is an apocalyptic number.

213030032111 is a deficient number, since it is larger than the sum of its proper divisors (16386925561).

213030032111 is a wasteful number, since it uses less digits than its factorization.

213030032111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16386925560.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 213030032111 its reverse (111230030312), we get a palindrome (324260062423).

The spelling of 213030032111 in words is "two hundred thirteen billion, thirty million, thirty-two thousand, one hundred eleven".