102221324124 has 48 divisors (see below), whose sum is σ = 241335671808. Its totient is φ = 33673258368.

The previous prime is 102221324111. The next prime is 102221324143. The reversal of 102221324124 is 421423122201.

It is a junction number, because it is equal to n+sod(n) for n = 102221324094 and 102221324103.

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, 227199 + ... + 506025.

It is an arithmetic number, because the mean of its divisors is an integer number (5027826496).

Almost surely, 2^102221324124 is an apocalyptic number.

It is an amenable number.

102221324124 is an abundant number, since it is smaller than the sum of its proper divisors (139114347684).

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

102221324124 is a wasteful number, since it uses less digits than its factorization.

102221324124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279194 (or 279192 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 102221324124 its reverse (421423122201), we get a palindrome (523644446325).

The spelling of 102221324124 in words is "one hundred two billion, two hundred twenty-one million, three hundred twenty-four thousand, one hundred twenty-four".