122101002099 has 20 divisors (see below), whose sum is σ = 183075884640. Its totient is φ = 81098048880.

The previous prime is 122101002043. The next prime is 122101002103. The reversal of 122101002099 is 990200101221.

It is not a de Polignac number, because 122101002099 - 2²⁰ = 122099953523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (122101006099) 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 19 ways as a sum of consecutive naturals, for example, 2780107 + ... + 2823684.

It is an arithmetic number, because the mean of its divisors is an integer number (9153794232).

Almost surely, 2^122101002099 is an apocalyptic number.

122101002099 is a deficient number, since it is larger than the sum of its proper divisors (60974882541).

122101002099 is an equidigital number, since it uses as much as digits as its factorization.

122101002099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5604072 (or 5604063 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 122101002099 in words is "one hundred twenty-two billion, one hundred one million, two thousand, ninety-nine".