1131100232401 has 12 divisors (see below), whose sum is σ = 1232273627904. Its totient is φ = 1037001900600.

The previous prime is 1131100232393. The next prime is 1131100232443. The reversal of 1131100232401 is 1042320011311.

It is not a de Polignac number, because 1131100232401 - 2³ = 1131100232393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131100232491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50524965 + ... + 50547346.

It is an arithmetic number, because the mean of its divisors is an integer number (102689468992).

Almost surely, 2^{1131100232401} is an apocalyptic number.

It is an amenable number.

1131100232401 is a deficient number, since it is larger than the sum of its proper divisors (101173395503).

1131100232401 is a wasteful number, since it uses less digits than its factorization.

1131100232401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101072380 (or 101072361 counting only the distinct ones).

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

Adding to 1131100232401 its reverse (1042320011311), we get a palindrome (2173420243712).

The spelling of 1131100232401 in words is "one trillion, one hundred thirty-one billion, one hundred million, two hundred thirty-two thousand, four hundred one".