102002321130 has 128 divisors (see below), whose sum is σ = 254184818688. Its totient is φ = 26176131072.

The previous prime is 102002321111. The next prime is 102002321149. The reversal of 102002321130 is 31123200201.

It is an interprime number because it is at equal distance from previous prime (102002321111) and next prime (102002321149).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47596839 + ... + 47598981.

It is an arithmetic number, because the mean of its divisors is an integer number (1985818896).

Almost surely, 2^102002321130 is an apocalyptic number.

102002321130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102002321130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127092409344).

102002321130 is an abundant number, since it is smaller than the sum of its proper divisors (152182497558).

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

102002321130 is a wasteful number, since it uses less digits than its factorization.

102002321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102002321130 its reverse (31123200201), we get a palindrome (133125521331).

The spelling of 102002321130 in words is "one hundred two billion, two million, three hundred twenty-one thousand, one hundred thirty".