20011101122200 has 24 divisors (see below), whose sum is σ = 46525810109580. Its totient is φ = 8004440448800.

The previous prime is 20011101122197. The next prime is 20011101122231. The reversal of 20011101122200 is 222110111002.

It is a congruent number.

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, 50027752606 + ... + 50027753005.

Almost surely, 2^{20011101122200} is an apocalyptic number.

20011101122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20011101122200 is an abundant number, since it is smaller than the sum of its proper divisors (26514708987380).

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

20011101122200 is a wasteful number, since it uses less digits than its factorization.

20011101122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100055505627 (or 100055505618 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20011101122200 its reverse (222110111002), we get a palindrome (20233211233202).

The spelling of 20011101122200 in words is "twenty trillion, eleven billion, one hundred one million, one hundred twenty-two thousand, two hundred".