11231132221200 has 120 divisors (see below), whose sum is σ = 35978318052768. Its totient is φ = 2994863882240.

The previous prime is 11231132221147. The next prime is 11231132221213. The reversal of 11231132221200 is 212223113211.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×11231132221200² (a number of 27 digits) contains 22 as substring.

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, 37852624 + ... + 38148176.

Almost surely, 2^{11231132221200} is an apocalyptic number.

11231132221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11231132221200 is an abundant number, since it is smaller than the sum of its proper divisors (24747185831568).

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

11231132221200 is a wasteful number, since it uses less digits than its factorization.

11231132221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327241 (or 327230 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11231132221200 its reverse (212223113211), we get a palindrome (11443355334411).

The spelling of 11231132221200 in words is "eleven trillion, two hundred thirty-one billion, one hundred thirty-two million, two hundred twenty-one thousand, two hundred".