1131220032201 has 24 divisors (see below), whose sum is σ = 1867444647744. Its totient is φ = 646399746720.

The previous prime is 1131220032167. The next prime is 1131220032253. The reversal of 1131220032201 is 1022300221311.

1131220032201 is a `hidden beast` number, since 11 + 312 + 20 + 0 + 322 + 0 + 1 = 666.

It is not a de Polignac number, because 1131220032201 - 2¹⁰ = 1131220031177 is a prime.

It is a super-2 number, since 2×1131220032201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1131220032001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4318755 + ... + 4573191.

It is an arithmetic number, because the mean of its divisors is an integer number (77810193656).

Almost surely, 2^{1131220032201} is an apocalyptic number.

It is an amenable number.

1131220032201 is a deficient number, since it is larger than the sum of its proper divisors (736224615543).

1131220032201 is a wasteful number, since it uses less digits than its factorization.

1131220032201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325021 (or 325018 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1131220032201 its reverse (1022300221311), we get a palindrome (2153520253512).

The spelling of 1131220032201 in words is "one trillion, one hundred thirty-one billion, two hundred twenty million, thirty-two thousand, two hundred one".