2100019902101 has 24 divisors (see below), whose sum is σ = 2312065062720. Its totient is φ = 1905985949120.

The previous prime is 2100019902077. The next prime is 2100019902121. The reversal of 2100019902101 is 1012099100012.

It is not a de Polignac number, because 2100019902101 - 2⁶ = 2100019902037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100019902121) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 398256401 + ... + 398261673.

It is an arithmetic number, because the mean of its divisors is an integer number (96336044280).

Almost surely, 2^{2100019902101} is an apocalyptic number.

It is an amenable number.

2100019902101 is a deficient number, since it is larger than the sum of its proper divisors (212045160619).

2100019902101 is a wasteful number, since it uses less digits than its factorization.

2100019902101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10057 (or 10046 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 2100019902101 in words is "two trillion, one hundred billion, nineteen million, nine hundred two thousand, one hundred one".