1100023020131 has 16 divisors (see below), whose sum is σ = 1269683923200. Its totient is φ = 933491800800.

The previous prime is 1100023020127. The next prime is 1100023020139. The reversal of 1100023020131 is 1310203200011.

It is a cyclic number.

It is not a de Polignac number, because 1100023020131 - 2² = 1100023020127 is a prime.

It is a super-2 number, since 2×1100023020131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1100023020139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20382020 + ... + 20435918.

It is an arithmetic number, because the mean of its divisors is an integer number (79355245200).

Almost surely, 2^{1100023020131} is an apocalyptic number.

1100023020131 is a deficient number, since it is larger than the sum of its proper divisors (169660903069).

1100023020131 is a wasteful number, since it uses less digits than its factorization.

1100023020131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82874.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1100023020131 its reverse (1310203200011), we get a palindrome (2410226220142).

The spelling of 1100023020131 in words is "one trillion, one hundred billion, twenty-three million, twenty thousand, one hundred thirty-one".