2121200102999 has 8 divisors (see below), whose sum is σ = 2255615968320. Its totient is φ = 1987855280896.

The previous prime is 2121200102993. The next prime is 2121200103049. The reversal of 2121200102999 is 9992010021212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2121200102999 - 2⁸ = 2121200102743 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 (2121200102993) 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, 267756719 + ... + 267764640.

It is an arithmetic number, because the mean of its divisors is an integer number (281951996040).

Almost surely, 2^{2121200102999} is an apocalyptic number.

2121200102999 is a deficient number, since it is larger than the sum of its proper divisors (134415865321).

2121200102999 is a wasteful number, since it uses less digits than its factorization.

2121200102999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535521609.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 2121200102999 in words is "two trillion, one hundred twenty-one billion, two hundred million, one hundred two thousand, nine hundred ninety-nine".