102201200001988 has 12 divisors (see below), whose sum is σ = 178877646702972. Its totient is φ = 51093300944000.

The previous prime is 102201200001949. The next prime is 102201200001997. The reversal of 102201200001988 is 889100002102201.

It can be written as a sum of positive squares in 2 ways, for example, as 68875425970884 + 33325774031104 = 8299122^2 + 5772848^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1824732745 + ... + 1824788752.

It is an arithmetic number, because the mean of its divisors is an integer number (14906470558581).

Almost surely, 2^{102201200001988} is an apocalyptic number.

It is an amenable number.

102201200001988 is a deficient number, since it is larger than the sum of its proper divisors (76676446700984).

102201200001988 is a wasteful number, since it uses less digits than its factorization.

102201200001988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649528502 (or 3649528500 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The spelling of 102201200001988 in words is "one hundred two trillion, two hundred one billion, two hundred million, one thousand, nine hundred eighty-eight".