11221200031132 has 72 divisors (see below), whose sum is σ = 25448610317760. Its totient is φ = 4286081681280.

The previous prime is 11221200031123. The next prime is 11221200031157. The reversal of 11221200031132 is 23113000212211.

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, 75855844 + ... + 76003627.

It is an arithmetic number, because the mean of its divisors is an integer number (353452921080).

Almost surely, 2^{11221200031132} is an apocalyptic number.

It is an amenable number.

11221200031132 is an abundant number, since it is smaller than the sum of its proper divisors (14227410286628).

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

11221200031132 is a wasteful number, since it uses less digits than its factorization.

11221200031132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151859531 (or 151859522 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11221200031132 its reverse (23113000212211), we get a palindrome (34334200243343).

The spelling of 11221200031132 in words is "eleven trillion, two hundred twenty-one billion, two hundred million, thirty-one thousand, one hundred thirty-two".