1109100200920 has 32 divisors (see below), whose sum is σ = 2495513830320. Its totient is φ = 443633257600.

The previous prime is 1109100200891. The next prime is 1109100200921. The reversal of 1109100200920 is 290020019011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109100200921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3028854 + ... + 3375226.

Almost surely, 2^{1109100200920} is an apocalyptic number.

1109100200920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1109100200920 is an abundant number, since it is smaller than the sum of its proper divisors (1386413629400).

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

1109100200920 is a wasteful number, since it uses less digits than its factorization.

1109100200920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426435 (or 426431 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

Adding to 1109100200920 its reverse (290020019011), we get a palindrome (1399120219931).

The spelling of 1109100200920 in words is "one trillion, one hundred nine billion, one hundred million, two hundred thousand, nine hundred twenty".