421113131402420 has 24 divisors (see below), whose sum is σ = 930881658890400. Its totient is φ = 159579712952352.

The previous prime is 421113131402407. The next prime is 421113131402471. The reversal of 421113131402420 is 24204131311124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554096225150 + ... + 554096225909.

It is an arithmetic number, because the mean of its divisors is an integer number (38786735787100).

Almost surely, 2^{421113131402420} is an apocalyptic number.

It is an amenable number.

421113131402420 is an abundant number, since it is smaller than the sum of its proper divisors (509768527487980).

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

421113131402420 is a wasteful number, since it uses less digits than its factorization.

421113131402420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108192451087 (or 1108192451085 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 421113131402420 its reverse (24204131311124), we get a palindrome (445317262713544).

The spelling of 421113131402420 in words is "four hundred twenty-one trillion, one hundred thirteen billion, one hundred thirty-one million, four hundred two thousand, four hundred twenty".