20111102202200 has 24 divisors (see below), whose sum is σ = 46758312620580. Its totient is φ = 8044440880800.

The previous prime is 20111102202161. The next prime is 20111102202203. The reversal of 20111102202200 is 220220111102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111102202203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50277755306 + ... + 50277755705.

Almost surely, 2^{20111102202200} is an apocalyptic number.

20111102202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20111102202200 is an abundant number, since it is smaller than the sum of its proper divisors (26647210418380).

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

20111102202200 is a wasteful number, since it uses less digits than its factorization.

20111102202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100555511027 (or 100555511018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20111102202200 its reverse (220220111102), we get a palindrome (20331322313302).

The spelling of 20111102202200 in words is "twenty trillion, one hundred eleven billion, one hundred two million, two hundred two thousand, two hundred".