421125425102 has 48 divisors (see below), whose sum is σ = 693597421440. Its totient is φ = 191190665952.

The previous prime is 421125425099. The next prime is 421125425111. The reversal of 421125425102 is 201524521124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3425063 + ... + 3545885.

It is an arithmetic number, because the mean of its divisors is an integer number (14449946280).

Almost surely, 2^421125425102 is an apocalyptic number.

421125425102 is a deficient number, since it is larger than the sum of its proper divisors (272471996338).

421125425102 is a wasteful number, since it uses less digits than its factorization.

421125425102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120985 (or 120948 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 421125425102 its reverse (201524521124), we get a palindrome (622649946226).

The spelling of 421125425102 in words is "four hundred twenty-one billion, one hundred twenty-five million, four hundred twenty-five thousand, one hundred two".