421402254204101 has 16 divisors (see below), whose sum is σ = 427601851680000. Its totient is φ = 415224331411968.

The previous prime is 421402254204083. The next prime is 421402254204109. The reversal of 421402254204101 is 101402452204124.

It is a cyclic number.

It is not a de Polignac number, because 421402254204101 - 2⁶ = 421402254204037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421402254204109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2081997761 + ... + 2082200153.

It is an arithmetic number, because the mean of its divisors is an integer number (26725115730000).

Almost surely, 2^{421402254204101} is an apocalyptic number.

It is an amenable number.

421402254204101 is a deficient number, since it is larger than the sum of its proper divisors (6199597475899).

421402254204101 is a wasteful number, since it uses less digits than its factorization.

421402254204101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255788.

The product of its (nonzero) digits is 20480, while the sum is 32.

The spelling of 421402254204101 in words is "four hundred twenty-one trillion, four hundred two billion, two hundred fifty-four million, two hundred four thousand, one hundred one".