102421504453140 has 120 divisors (see below), whose sum is σ = 324419471376000. Its totient is φ = 27047232199872.

The previous prime is 102421504453139. The next prime is 102421504453189. The reversal of 102421504453140 is 41354405124201.

102421504453140 is a `hidden beast` number, since 1 + 0 + 2 + 4 + 2 + 1 + 504 + 4 + 5 + 3 + 140 = 666.

It is a super-3 number, since 3×102421504453140³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 102421504453095 and 102421504453104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 306741640 + ... + 307075359.

It is an arithmetic number, because the mean of its divisors is an integer number (2703495594800).

Almost surely, 2^{102421504453140} is an apocalyptic number.

102421504453140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102421504453140 is an abundant number, since it is smaller than the sum of its proper divisors (221997966922860).

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

102421504453140 is a wasteful number, since it uses less digits than its factorization.

102421504453140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613817123 (or 613817112 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 102421504453140 its reverse (41354405124201), we get a palindrome (143775909577341).

The spelling of 102421504453140 in words is "one hundred two trillion, four hundred twenty-one billion, five hundred four million, four hundred fifty-three thousand, one hundred forty".