2102121012199 has 12 divisors (see below), whose sum is σ = 2277326772336. Its totient is φ = 1939511051712.

The previous prime is 2102121012197. The next prime is 2102121012217. The reversal of 2102121012199 is 9912101212012.

It is not a de Polignac number, because 2102121012199 - 2¹ = 2102121012197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2102121012199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102121012193) 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 11 ways as a sum of consecutive naturals, for example, 2549139 + ... + 3271444.

It is an arithmetic number, because the mean of its divisors is an integer number (189777231028).

Almost surely, 2^{2102121012199} is an apocalyptic number.

2102121012199 is a deficient number, since it is larger than the sum of its proper divisors (175205760137).

2102121012199 is a wasteful number, since it uses less digits than its factorization.

2102121012199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5822746 (or 5822733 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 2102121012199 in words is "two trillion, one hundred two billion, one hundred twenty-one million, twelve thousand, one hundred ninety-nine".