2100200121102 has 32 divisors (see below), whose sum is σ = 4277954657664. Its totient is φ = 687187720800.

The previous prime is 2100200121049. The next prime is 2100200121109. The reversal of 2100200121102 is 2011210020012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100200121109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5663728 + ... + 6023139.

It is an arithmetic number, because the mean of its divisors is an integer number (133686083052).

Almost surely, 2^{2100200121102} is an apocalyptic number.

2100200121102 is an abundant number, since it is smaller than the sum of its proper divisors (2177754536562).

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

2100200121102 is a wasteful number, since it uses less digits than its factorization.

2100200121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11687424.

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

Adding to 2100200121102 its reverse (2011210020012), we get a palindrome (4111410141114).

The spelling of 2100200121102 in words is "two trillion, one hundred billion, two hundred million, one hundred twenty-one thousand, one hundred two".