102421312130 has 8 divisors (see below), whose sum is σ = 184358361852. Its totient is φ = 40968524848.

The previous prime is 102421312117. The next prime is 102421312141. The reversal of 102421312130 is 31213124201.

It can be written as a sum of positive squares in 2 ways, for example, as 96055985041 + 6365327089 = 309929^2 + 79783^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5121065597 + ... + 5121065616.

Almost surely, 2^102421312130 is an apocalyptic number.

102421312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102421312130 is a deficient number, since it is larger than the sum of its proper divisors (81937049722).

102421312130 is a wasteful number, since it uses less digits than its factorization.

102421312130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10242131220.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102421312130 its reverse (31213124201), we get a palindrome (133634436331).

The spelling of 102421312130 in words is "one hundred two billion, four hundred twenty-one million, three hundred twelve thousand, one hundred thirty".