102010020001002 has 16 divisors (see below), whose sum is σ = 226688933335680. Its totient is φ = 34003340000316.

The previous prime is 102010020000989. The next prime is 102010020001003. The reversal of 102010020001002 is 200100020010201.

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

It is not an unprimeable number, because it can be changed into a prime (102010020001003) 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 7 ways as a sum of consecutive naturals, for example, 944537222178 + ... + 944537222285.

It is an arithmetic number, because the mean of its divisors is an integer number (14168058333480).

Almost surely, 2^{102010020001002} is an apocalyptic number.

102010020001002 is an abundant number, since it is smaller than the sum of its proper divisors (124678913334678).

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

102010020001002 is a wasteful number, since it uses less digits than its factorization.

102010020001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889074444474 (or 1889074444468 counting only the distinct ones).

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

Adding to 102010020001002 its reverse (200100020010201), we get a palindrome (302110040011203).

The spelling of 102010020001002 in words is "one hundred two trillion, ten billion, twenty million, one thousand, two".