2101100212102 has 16 divisors (see below), whose sum is σ = 3153187481472. Its totient is φ = 1050037850560.

The previous prime is 2101100212067. The next prime is 2101100212157. The reversal of 2101100212102 is 2012120011012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36475908 + ... + 36533464.

It is an arithmetic number, because the mean of its divisors is an integer number (197074217592).

Almost surely, 2^{2101100212102} is an apocalyptic number.

2101100212102 is a deficient number, since it is larger than the sum of its proper divisors (1052087269370).

2101100212102 is a wasteful number, since it uses less digits than its factorization.

2101100212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66143.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2101100212102 its reverse (2012120011012), we get a palindrome (4113220223114).

The spelling of 2101100212102 in words is "two trillion, one hundred one billion, one hundred million, two hundred twelve thousand, one hundred two".