102220002121999 has 16 divisors (see below), whose sum is σ = 102615971220000. Its totient is φ = 101824892660736.

The previous prime is 102220002121949. The next prime is 102220002122057. The reversal of 102220002121999 is 999121200022201.

It is a cyclic number.

It is not a de Polignac number, because 102220002121999 - 2¹¹ = 102220002119951 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 (102220002121949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732726897 + ... + 732866389.

It is an arithmetic number, because the mean of its divisors is an integer number (6413498201250).

Almost surely, 2^{102220002121999} is an apocalyptic number.

102220002121999 is a deficient number, since it is larger than the sum of its proper divisors (395969098001).

102220002121999 is a wasteful number, since it uses less digits than its factorization.

102220002121999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142554.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 102220002121999 in words is "one hundred two trillion, two hundred twenty billion, two million, one hundred twenty-one thousand, nine hundred ninety-nine".