2102012020999 has 8 divisors (see below), whose sum is σ = 2330695892880. Its totient is φ = 1879593460800.

The previous prime is 2102012020939. The next prime is 2102012021003. The reversal of 2102012020999 is 9990202102012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2102012020999 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 (2102012020909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1566327214 + ... + 1566328555.

It is an arithmetic number, because the mean of its divisors is an integer number (291336986610).

Almost surely, 2^{2102012020999} is an apocalyptic number.

2102012020999 is a deficient number, since it is larger than the sum of its proper divisors (228683871881).

2102012020999 is a wasteful number, since it uses less digits than its factorization.

2102012020999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3132655841.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 2102012020999 in words is "two trillion, one hundred two billion, twelve million, twenty thousand, nine hundred ninety-nine".