421983101801 has 16 divisors (see below), whose sum is σ = 440694644544. Its totient is φ = 403702563264.

The previous prime is 421983101797. The next prime is 421983101821. The reversal of 421983101801 is 108101389124.

It is a cyclic number.

It is not a de Polignac number, because 421983101801 - 2² = 421983101797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421983101821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180055 + ... + 1495491.

It is an arithmetic number, because the mean of its divisors is an integer number (27543415284).

Almost surely, 2^421983101801 is an apocalyptic number.

It is an amenable number.

421983101801 is a deficient number, since it is larger than the sum of its proper divisors (18711542743).

421983101801 is a wasteful number, since it uses less digits than its factorization.

421983101801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316120.

The product of its (nonzero) digits is 13824, while the sum is 38.

The spelling of 421983101801 in words is "four hundred twenty-one billion, nine hundred eighty-three million, one hundred one thousand, eight hundred one".