20111101022200 has 24 divisors (see below), whose sum is σ = 46758309877080. Its totient is φ = 8044440408800.

The previous prime is 20111101022197. The next prime is 20111101022231. The reversal of 20111101022200 is 222010111102.

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, 50277752356 + ... + 50277752755.

It is an arithmetic number, because the mean of its divisors is an integer number (1948262911545).

Almost surely, 2^{20111101022200} is an apocalyptic number.

20111101022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20111101022200 is an abundant number, since it is smaller than the sum of its proper divisors (26647208854880).

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

20111101022200 is a wasteful number, since it uses less digits than its factorization.

20111101022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100555505127 (or 100555505118 counting only the distinct ones).

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

Adding to 20111101022200 its reverse (222010111102), we get a palindrome (20333111133302).

The spelling of 20111101022200 in words is "twenty trillion, one hundred eleven billion, one hundred one million, twenty-two thousand, two hundred".