102421200024 has 288 divisors, whose sum is σ = 346193069040. Its totient is φ = 26963251200.

The previous prime is 102421199957. The next prime is 102421200031. The reversal of 102421200024 is 420002124201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2958334 + ... + 2992754.

Almost surely, 2^102421200024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102421200024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173096534520).

102421200024 is an abundant number, since it is smaller than the sum of its proper divisors (243771869016).

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

102421200024 is a wasteful number, since it uses less digits than its factorization.

102421200024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34491 (or 34467 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 102421200024 its reverse (420002124201), we get a palindrome (522423324225).

The spelling of 102421200024 in words is "one hundred two billion, four hundred twenty-one million, two hundred thousand, twenty-four".