2100021212095 has 64 divisors (see below), whose sum is σ = 2909940940800. Its totient is φ = 1445984225280.

The previous prime is 2100021212089. The next prime is 2100021212147. The reversal of 2100021212095 is 5902121200012.

It is not a de Polignac number, because 2100021212095 - 2³³ = 2091431277503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3299146 + ... + 3883864.

It is an arithmetic number, because the mean of its divisors is an integer number (45467827200).

Almost surely, 2^{2100021212095} is an apocalyptic number.

2100021212095 is a deficient number, since it is larger than the sum of its proper divisors (809919728705).

2100021212095 is a wasteful number, since it uses less digits than its factorization.

2100021212095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584848.

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 2100021212095 in words is "two trillion, one hundred billion, twenty-one million, two hundred twelve thousand, ninety-five".