1100202003231 has 16 divisors (see below), whose sum is σ = 1514299637760. Its totient is φ = 709787532960.

The previous prime is 1100202003227. The next prime is 1100202003233. The reversal of 1100202003231 is 1323002020011.

It is not a de Polignac number, because 1100202003231 - 2² = 1100202003227 is a prime.

It is a super-2 number, since 2×1100202003231² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1100202003231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100202003233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3555586 + ... + 3852608.

It is an arithmetic number, because the mean of its divisors is an integer number (94643727360).

Almost surely, 2^{1100202003231} is an apocalyptic number.

1100202003231 is a deficient number, since it is larger than the sum of its proper divisors (414097634529).

1100202003231 is a wasteful number, since it uses less digits than its factorization.

1100202003231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336886.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1100202003231 its reverse (1323002020011), we get a palindrome (2423204023242).

The spelling of 1100202003231 in words is "one trillion, one hundred billion, two hundred two million, three thousand, two hundred thirty-one".