102112221099 has 16 divisors (see below), whose sum is σ = 156824772608. Its totient is φ = 57890391552.

The previous prime is 102112221089. The next prime is 102112221149. The reversal of 102112221099 is 990122211201.

It is not a de Polignac number, because 102112221099 - 2¹⁵ = 102112188331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102112221019) 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 15 ways as a sum of consecutive naturals, for example, 19140982 + ... + 19146315.

It is an arithmetic number, because the mean of its divisors is an integer number (9801548288).

Almost surely, 2^102112221099 is an apocalyptic number.

102112221099 is a deficient number, since it is larger than the sum of its proper divisors (54712551509).

102112221099 is a wasteful number, since it uses less digits than its factorization.

102112221099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38287434.

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 102112221099 in words is "one hundred two billion, one hundred twelve million, two hundred twenty-one thousand, ninety-nine".