102215344342425 has 24 divisors (see below), whose sum is σ = 169024665550464. Its totient is φ = 54505614970560.

The previous prime is 102215344342379. The next prime is 102215344342453. The reversal of 102215344342425 is 524243443512201.

It is not a de Polignac number, because 102215344342425 - 2¹⁰ = 102215344341401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114996142 + ... + 115881591.

It is an arithmetic number, because the mean of its divisors is an integer number (7042694397936).

Almost surely, 2^{102215344342425} is an apocalyptic number.

102215344342425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102215344342425 is a deficient number, since it is larger than the sum of its proper divisors (66809321208039).

102215344342425 is a wasteful number, since it uses less digits than its factorization.

102215344342425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230883649 (or 230883644 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 102215344342425 its reverse (524243443512201), we get a palindrome (626458787854626).

The spelling of 102215344342425 in words is "one hundred two trillion, two hundred fifteen billion, three hundred forty-four million, three hundred forty-two thousand, four hundred twenty-five".