11202110431 has 4 divisors (see below), whose sum is σ = 11563468864. Its totient is φ = 10840752000.

The previous prime is 11202110419. The next prime is 11202110483. The reversal of 11202110431 is 13401120211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11202110431 - 2⁷ = 11202110303 is a prime.

It is a super-2 number, since 2×11202110431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202117431) 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, 180679170 + ... + 180679231.

It is an arithmetic number, because the mean of its divisors is an integer number (2890867216).

Almost surely, 2^11202110431 is an apocalyptic number.

11202110431 is a deficient number, since it is larger than the sum of its proper divisors (361358433).

11202110431 is an equidigital number, since it uses as much as digits as its factorization.

11202110431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361358432.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11202110431 its reverse (13401120211), we get a palindrome (24603230642).

The spelling of 11202110431 in words is "eleven billion, two hundred two million, one hundred ten thousand, four hundred thirty-one".