211213311113 has 12 divisors (see below), whose sum is σ = 248082531840. Its totient is φ = 179282306952.

The previous prime is 211213311107. The next prime is 211213311131. The reversal of 211213311113 is 311113312112.

It is not a de Polignac number, because 211213311113 - 2²⁸ = 210944875657 is a prime.

It is a super-2 number, since 2×211213311113² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211213311613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20919593 + ... + 20929686.

It is an arithmetic number, because the mean of its divisors is an integer number (20673544320).

Almost surely, 2^211213311113 is an apocalyptic number.

It is an amenable number.

211213311113 is a deficient number, since it is larger than the sum of its proper divisors (36869220727).

211213311113 is a wasteful number, since it uses less digits than its factorization.

211213311113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41849396 (or 41849389 counting only the distinct ones).

The product of its digits is 108, while the sum is 20.

Adding to 211213311113 its reverse (311113312112), we get a palindrome (522326623225).

Subtracting 211213311113 from its reverse (311113312112), we obtain a palindrome (99900000999).

The spelling of 211213311113 in words is "two hundred eleven billion, two hundred thirteen million, three hundred eleven thousand, one hundred thirteen".