1100202012200 has 24 divisors (see below), whose sum is σ = 2557969678830. Its totient is φ = 440080804800.

The previous prime is 1100202012181. The next prime is 1100202012223. The reversal of 1100202012200 is 22102020011.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1000236013924 + 99965998276 = 1000118^2 + 316174^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2750504831 + ... + 2750505230.

Almost surely, 2^{1100202012200} is an apocalyptic number.

1100202012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100202012200 is an abundant number, since it is smaller than the sum of its proper divisors (1457767666630).

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

1100202012200 is a wasteful number, since it uses less digits than its factorization.

1100202012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5501010077 (or 5501010068 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1100202012200 its reverse (22102020011), we get a palindrome (1122304032211).

The spelling of 1100202012200 in words is "one trillion, one hundred billion, two hundred two million, twelve thousand, two hundred".