1100131113042 has 24 divisors (see below), whose sum is σ = 2566972597644. Its totient is φ = 338501880864.

The previous prime is 1100131113023. The next prime is 1100131113049. The reversal of 1100131113042 is 2403111310011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1083262558401 + 16868554641 = 1040799^2 + 129879^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1100131113049) 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, 2350707273 + ... + 2350707740.

Almost surely, 2^{1100131113042} is an apocalyptic number.

1100131113042 is an abundant number, since it is smaller than the sum of its proper divisors (1466841484602).

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

1100131113042 is a wasteful number, since it uses less digits than its factorization.

1100131113042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701415034 (or 4701415031 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1100131113042 its reverse (2403111310011), we get a palindrome (3503242423053).

The spelling of 1100131113042 in words is "one trillion, one hundred billion, one hundred thirty-one million, one hundred thirteen thousand, forty-two".