20111110110200 has 96 divisors (see below), whose sum is σ = 46929717213600. Its totient is φ = 8014991523840.

The previous prime is 20111110110197. The next prime is 20111110110251. The reversal of 20111110110200 is 201101111102.

It is a super-2 number, since 2×20111110110200² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97424696 + ... + 97630904.

It is an arithmetic number, because the mean of its divisors is an integer number (488851220975).

Almost surely, 2^{20111110110200} is an apocalyptic number.

20111110110200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20111110110200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23464858606800).

20111110110200 is an abundant number, since it is smaller than the sum of its proper divisors (26818607103400).

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

20111110110200 is a wasteful number, since it uses less digits than its factorization.

20111110110200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208009 (or 208000 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 20111110110200 its reverse (201101111102), we get a palindrome (20312211221302).

The spelling of 20111110110200 in words is "twenty trillion, one hundred eleven billion, one hundred ten million, one hundred ten thousand, two hundred".