102201001002 has 48 divisors (see below), whose sum is σ = 222500835648. Its totient is φ = 33903455040.

The previous prime is 102201000997. The next prime is 102201001031. The reversal of 102201001002 is 200100102201.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3585318 + ... + 3613710.

It is an arithmetic number, because the mean of its divisors is an integer number (4635434076).

Almost surely, 2^102201001002 is an apocalyptic number.

102201001002 is an abundant number, since it is smaller than the sum of its proper divisors (120299834646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102201001002 is a wasteful number, since it uses less digits than its factorization.

102201001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29355 (or 29352 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 102201001002 its reverse (200100102201), we get a palindrome (302301103203).

The spelling of 102201001002 in words is "one hundred two billion, two hundred one million, one thousand, two".