11132100231 has 48 divisors (see below), whose sum is σ = 17683627104. Its totient is φ = 6208640256.

The previous prime is 11132100223. The next prime is 11132100233. The reversal of 11132100231 is 13200123111.

It is a happy number.

It is not a de Polignac number, because 11132100231 - 2³ = 11132100223 is a prime.

It is a super-2 number, since 2×11132100231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11132100231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11132100233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1531201 + ... + 1538453.

It is an arithmetic number, because the mean of its divisors is an integer number (368408898).

Almost surely, 2^11132100231 is an apocalyptic number.

11132100231 is a deficient number, since it is larger than the sum of its proper divisors (6551526873).

11132100231 is a wasteful number, since it uses less digits than its factorization.

11132100231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7520 (or 7513 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11132100231 its reverse (13200123111), we get a palindrome (24332223342).

The spelling of 11132100231 in words is "eleven billion, one hundred thirty-two million, one hundred thousand, two hundred thirty-one".