102121332340 has 48 divisors (see below), whose sum is σ = 215477563392. Its totient is φ = 40653890816.

The previous prime is 102121332307. The next prime is 102121332371. The reversal of 102121332340 is 43233121201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13636077 + ... + 13643563.

It is an arithmetic number, because the mean of its divisors is an integer number (4489115904).

Almost surely, 2^102121332340 is an apocalyptic number.

102121332340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102121332340 is an abundant number, since it is smaller than the sum of its proper divisors (113356231052).

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

102121332340 is a wasteful number, since it uses less digits than its factorization.

102121332340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10656 (or 10654 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 102121332340 its reverse (43233121201), we get a palindrome (145354453541).

The spelling of 102121332340 in words is "one hundred two billion, one hundred twenty-one million, three hundred thirty-two thousand, three hundred forty".