2102230621939 has 32 divisors (see below), whose sum is σ = 2426066012160. Its totient is φ = 1784368389888.

The previous prime is 2102230621937. The next prime is 2102230622003. The reversal of 2102230621939 is 9391260322012.

It is not a de Polignac number, because 2102230621939 - 2¹ = 2102230621937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102230621937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424090849 + ... + 424095805.

It is an arithmetic number, because the mean of its divisors is an integer number (75814562880).

Almost surely, 2^{2102230621939} is an apocalyptic number.

2102230621939 is a deficient number, since it is larger than the sum of its proper divisors (323835390221).

2102230621939 is a wasteful number, since it uses less digits than its factorization.

2102230621939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6427.

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 2102230621939 in words is "two trillion, one hundred two billion, two hundred thirty million, six hundred twenty-one thousand, nine hundred thirty-nine".