2100100012102 has 16 divisors (see below), whose sum is σ = 3169558739520. Its totient is φ = 1043580768552.

The previous prime is 2100100012057. The next prime is 2100100012121. The reversal of 2100100012102 is 2012100010012.

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, 19258849 + ... + 19367587.

It is an arithmetic number, because the mean of its divisors is an integer number (198097421220).

Almost surely, 2^{2100100012102} is an apocalyptic number.

2100100012102 is a deficient number, since it is larger than the sum of its proper divisors (1069458727418).

2100100012102 is a wasteful number, since it uses less digits than its factorization.

2100100012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168147.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2100100012102 its reverse (2012100010012), we get a palindrome (4112200022114).

The spelling of 2100100012102 in words is "two trillion, one hundred billion, one hundred million, twelve thousand, one hundred two".