11132211100 has 72 divisors (see below), whose sum is σ = 24312225168. Its totient is φ = 4424371200.

The previous prime is 11132211089. The next prime is 11132211113. The reversal of 11132211100 is 111223111.

It is a happy number.

It is a super-2 number, since 2×11132211100² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18772404 + ... + 18772996.

It is an arithmetic number, because the mean of its divisors is an integer number (337669794).

Almost surely, 2^11132211100 is an apocalyptic number.

11132211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11132211100 is an abundant number, since it is smaller than the sum of its proper divisors (13180014068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11132211100 is a wasteful number, since it uses less digits than its factorization.

11132211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495 (or 1488 counting only the distinct ones).

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

Adding to 11132211100 its reverse (111223111), we get a palindrome (11243434211).

The spelling of 11132211100 in words is "eleven billion, one hundred thirty-two million, two hundred eleven thousand, one hundred".