102011222099 has 4 divisors (see below), whose sum is σ = 102660975264. Its totient is φ = 101361468936.

The previous prime is 102011222009. The next prime is 102011222111. The reversal of 102011222099 is 990222110201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102011222099 - 2²⁰ = 102010173523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102011222009) 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 3 ways as a sum of consecutive naturals, for example, 324876347 + ... + 324876660.

It is an arithmetic number, because the mean of its divisors is an integer number (25665243816).

Almost surely, 2^102011222099 is an apocalyptic number.

102011222099 is a deficient number, since it is larger than the sum of its proper divisors (649753165).

102011222099 is an equidigital number, since it uses as much as digits as its factorization.

102011222099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649753164.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 102011222099 in words is "one hundred two billion, eleven million, two hundred twenty-two thousand, ninety-nine".