211120311113 has 4 divisors (see below), whose sum is σ = 212225653248. Its totient is φ = 210014968980.

The previous prime is 211120311109. The next prime is 211120311119. The reversal of 211120311113 is 311113021112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211120311113 - 2² = 211120311109 is a prime.

It is a super-2 number, since 2×211120311113² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211120311091 and 211120311100.

It is not an unprimeable number, because it can be changed into a prime (211120311119) 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, 552670781 + ... + 552671162.

It is an arithmetic number, because the mean of its divisors is an integer number (53056413312).

Almost surely, 2^211120311113 is an apocalyptic number.

It is an amenable number.

211120311113 is a deficient number, since it is larger than the sum of its proper divisors (1105342135).

211120311113 is a wasteful number, since it uses less digits than its factorization.

211120311113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105342134.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 211120311113 its reverse (311113021112), we get a palindrome (522233332225).

The spelling of 211120311113 in words is "two hundred eleven billion, one hundred twenty million, three hundred eleven thousand, one hundred thirteen".