11102213231 has 8 divisors (see below), whose sum is σ = 11486376720. Its totient is φ = 10718138368.

The previous prime is 11102213207. The next prime is 11102213233. The reversal of 11102213231 is 13231220111.

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 11102213231 - 2³⁰ = 10028471407 is a prime.

It is a super-2 number, since 2×11102213231² (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 (11102213233) 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, 325280 + ... + 357786.

It is an arithmetic number, because the mean of its divisors is an integer number (1435797090).

Almost surely, 2^11102213231 is an apocalyptic number.

11102213231 is a deficient number, since it is larger than the sum of its proper divisors (384163489).

11102213231 is a wasteful number, since it uses less digits than its factorization.

11102213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44313.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11102213231 its reverse (13231220111), we get a palindrome (24333433342).

The spelling of 11102213231 in words is "eleven billion, one hundred two million, two hundred thirteen thousand, two hundred thirty-one".