2100100011200 has 42 divisors (see below), whose sum is σ = 5167558593996. Its totient is φ = 840040003840.

The previous prime is 2100100011143. The next prime is 2100100011211. The reversal of 2100100011200 is 21100010012.

It is a super-3 number, since 3×2100100011200³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

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, 656279654 + ... + 656282853.

Almost surely, 2^{2100100011200} is an apocalyptic number.

2100100011200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100100011200 is an abundant number, since it is smaller than the sum of its proper divisors (3067458582796).

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

2100100011200 is a wasteful number, since it uses less digits than its factorization.

2100100011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312562529 (or 1312562514 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 2100100011200 its reverse (21100010012), we get a palindrome (2121200021212).

The spelling of 2100100011200 in words is "two trillion, one hundred billion, one hundred million, eleven thousand, two hundred".