2122010009999 has 16 divisors (see below), whose sum is σ = 2338572466080. Its totient is φ = 1909401600000.

The previous prime is 2122010009993. The next prime is 2122010010031. The reversal of 2122010009999 is 9999000102212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2122010009999 - 2⁴ = 2122010009983 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 (2122010009993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3267599 + ... + 3862799.

It is an arithmetic number, because the mean of its divisors is an integer number (146160779130).

Almost surely, 2^{2122010009999} is an apocalyptic number.

2122010009999 is a deficient number, since it is larger than the sum of its proper divisors (216562456081).

2122010009999 is a wasteful number, since it uses less digits than its factorization.

2122010009999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598522.

The product of its (nonzero) digits is 52488, while the sum is 44.

The spelling of 2122010009999 in words is "two trillion, one hundred twenty-two billion, ten million, nine thousand, nine hundred ninety-nine".