102215350342 has 12 divisors (see below), whose sum is σ = 178355356380. Its totient is φ = 43806578676.

The previous prime is 102215350319. The next prime is 102215350361. The reversal of 102215350342 is 243053512201.

It is a self number, because there is not a number n which added to its sum of digits gives 102215350342.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 521506792 + ... + 521506987.

It is an arithmetic number, because the mean of its divisors is an integer number (14862946365).

Almost surely, 2^102215350342 is an apocalyptic number.

102215350342 is a deficient number, since it is larger than the sum of its proper divisors (76140006038).

102215350342 is a wasteful number, since it uses less digits than its factorization.

102215350342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043013795 (or 1043013788 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 102215350342 its reverse (243053512201), we get a palindrome (345268862543).

The spelling of 102215350342 in words is "one hundred two billion, two hundred fifteen million, three hundred fifty thousand, three hundred forty-two".