2122085899 has 8 divisors (see below), whose sum is σ = 2152465920. Its totient is φ = 2091921000.

The previous prime is 2122085887. The next prime is 2122085909. The reversal of 2122085899 is 9985802212.

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 2122085899 - 2¹³ = 2122077707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122085839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33859 + ... + 73420.

It is an arithmetic number, because the mean of its divisors is an integer number (269058240).

Almost surely, 2^2122085899 is an apocalyptic number.

2122085899 is a deficient number, since it is larger than the sum of its proper divisors (30380021).

2122085899 is a wasteful number, since it uses less digits than its factorization.

2122085899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107561.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 2122085899 is about 46066.1035795301. The cubic root of 2122085899 is about 1285.0528422304.

The spelling of 2122085899 in words is "two billion, one hundred twenty-two million, eighty-five thousand, eight hundred ninety-nine".