2100101121200 has 60 divisors (see below), whose sum is σ = 5264862225168. Its totient is φ = 803516947200.

The previous prime is 2100101121199. The next prime is 2100101121203. The reversal of 2100101121200 is 21211010012.

It is not an unprimeable number, because it can be changed into a prime (2100101121203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114126731 + ... + 114145130.

Almost surely, 2^{2100101121200} is an apocalyptic number.

2100101121200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100101121200 is an abundant number, since it is smaller than the sum of its proper divisors (3164761103968).

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

2100101121200 is a wasteful number, since it uses less digits than its factorization.

2100101121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228271902 (or 228271891 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2100101121200 its reverse (21211010012), we get a palindrome (2121312131212).

The spelling of 2100101121200 in words is "two trillion, one hundred billion, one hundred one million, one hundred twenty-one thousand, two hundred".