2100111202200 has 384 divisors, whose sum is σ = 7283989152000. Its totient is φ = 496140288000.

The previous prime is 2100111202193. The next prime is 2100111202219. The reversal of 2100111202200 is 22021110012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 127417960 + ... + 127434440.

It is an arithmetic number, because the mean of its divisors is an integer number (18968721750).

Almost surely, 2^{2100111202200} is an apocalyptic number.

2100111202200 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 2100111202200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3641994576000).

2100111202200 is an abundant number, since it is smaller than the sum of its proper divisors (5183877949800).

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

2100111202200 is a wasteful number, since it uses less digits than its factorization.

2100111202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17003 (or 16994 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2100111202200 its reverse (22021110012), we get a palindrome (2122132312212).

The spelling of 2100111202200 in words is "two trillion, one hundred billion, one hundred eleven million, two hundred two thousand, two hundred".