11101202131 has 8 divisors (see below), whose sum is σ = 11248459200. Its totient is φ = 10954892520.

The previous prime is 11101202081. The next prime is 11101202153. The reversal of 11101202131 is 13120210111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11101202131 - 2⁷ = 11101202003 is a prime.

It is a super-2 number, since 2×11101202131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101202191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213261 + ... + 260158.

It is an arithmetic number, because the mean of its divisors is an integer number (1406057400).

Almost surely, 2^11101202131 is an apocalyptic number.

11101202131 is a deficient number, since it is larger than the sum of its proper divisors (147257069).

11101202131 is a wasteful number, since it uses less digits than its factorization.

11101202131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473729.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11101202131 its reverse (13120210111), we get a palindrome (24221412242).

The spelling of 11101202131 in words is "eleven billion, one hundred one million, two hundred two thousand, one hundred thirty-one".