11210890931 has 2 divisors, whose sum is σ = 11210890932. Its totient is φ = 11210890930.

The previous prime is 11210890909. The next prime is 11210890939. The reversal of 11210890931 is 13909801211.

It is a strong prime.

It is an emirp because it is prime and its reverse (13909801211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11210890931 - 2³⁰ = 10137149107 is a prime.

It is a super-2 number, since 2×11210890931² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11210890891 and 11210890900.

It is not a weakly prime, because it can be changed into another prime (11210890939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605445465 + 5605445466.

It is an arithmetic number, because the mean of its divisors is an integer number (5605445466).

Almost surely, 2^11210890931 is an apocalyptic number.

11210890931 is a deficient number, since it is larger than the sum of its proper divisors (1).

11210890931 is an equidigital number, since it uses as much as digits as its factorization.

11210890931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 35.

The spelling of 11210890931 in words is "eleven billion, two hundred ten million, eight hundred ninety thousand, nine hundred thirty-one".