421412402101 has 4 divisors (see below), whose sum is σ = 421414504992. Its totient is φ = 421410299212.

The previous prime is 421412402077. The next prime is 421412402129. The reversal of 421412402101 is 101204214124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 421412402101 - 2⁵ = 421412402069 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 (421412405101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 714955 + ... + 1163608.

It is an arithmetic number, because the mean of its divisors is an integer number (105353626248).

Almost surely, 2^421412402101 is an apocalyptic number.

It is an amenable number.

421412402101 is a deficient number, since it is larger than the sum of its proper divisors (2102891).

421412402101 is a wasteful number, since it uses less digits than its factorization.

421412402101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102890.

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

Adding to 421412402101 its reverse (101204214124), we get a palindrome (522616616225).

The spelling of 421412402101 in words is "four hundred twenty-one billion, four hundred twelve million, four hundred two thousand, one hundred one".