213110032111 has 2 divisors, whose sum is σ = 213110032112. Its totient is φ = 213110032110.

The previous prime is 213110032103. The next prime is 213110032117. The reversal of 213110032111 is 111230011312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213110032111 - 2³ = 213110032103 is a prime.

It is a super-2 number, since 2×213110032111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213110032117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106555016055 + 106555016056.

It is an arithmetic number, because the mean of its divisors is an integer number (106555016056).

Almost surely, 2^213110032111 is an apocalyptic number.

213110032111 is a deficient number, since it is larger than the sum of its proper divisors (1).

213110032111 is an equidigital number, since it uses as much as digits as its factorization.

213110032111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 213110032111 its reverse (111230011312), we get a palindrome (324340043423).

The spelling of 213110032111 in words is "two hundred thirteen billion, one hundred ten million, thirty-two thousand, one hundred eleven".