421001222100124 has 12 divisors (see below), whose sum is σ = 750653122424184. Its totient is φ = 206528901407504.

The previous prime is 421001222100059. The next prime is 421001222100133.

421001222100124 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 421001222100095 and 421001222100104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992927410402 + ... + 992927410825.

It is an arithmetic number, because the mean of its divisors is an integer number (62554426868682).

Almost surely, 2^{421001222100124} is an apocalyptic number.

It is an amenable number.

421001222100124 is a deficient number, since it is larger than the sum of its proper divisors (329651900324060).

421001222100124 is a wasteful number, since it uses less digits than its factorization.

421001222100124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985854821284 (or 1985854821282 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The spelling of 421001222100124 in words is "four hundred twenty-one trillion, one billion, two hundred twenty-two million, one hundred thousand, one hundred twenty-four".