212013310111 has 16 divisors (see below), whose sum is σ = 236318169600. Its totient is φ = 189024928128.

The previous prime is 212013310097. The next prime is 212013310123. The reversal of 212013310111 is 111013310212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212013310111 - 2¹³ = 212013301919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212013310511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7629280 + ... + 7657018.

It is an arithmetic number, because the mean of its divisors is an integer number (14769885600).

Almost surely, 2^212013310111 is an apocalyptic number.

212013310111 is a deficient number, since it is larger than the sum of its proper divisors (24304859489).

212013310111 is a wasteful number, since it uses less digits than its factorization.

212013310111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51438.

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

Adding to 212013310111 its reverse (111013310212), we get a palindrome (323026620323).

The spelling of 212013310111 in words is "two hundred twelve billion, thirteen million, three hundred ten thousand, one hundred eleven".