401421204103 has 2 divisors, whose sum is σ = 401421204104. Its totient is φ = 401421204102.

The previous prime is 401421204089. The next prime is 401421204161. The reversal of 401421204103 is 301402124104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401421204103 - 2⁹ = 401421203591 is a prime.

It is a super-2 number, since 2×401421204103² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401421234103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200710602051 + 200710602052.

It is an arithmetic number, because the mean of its divisors is an integer number (200710602052).

Almost surely, 2^401421204103 is an apocalyptic number.

401421204103 is a deficient number, since it is larger than the sum of its proper divisors (1).

401421204103 is an equidigital number, since it uses as much as digits as its factorization.

401421204103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 401421204103 its reverse (301402124104), we get a palindrome (702823328207).

The spelling of 401421204103 in words is "four hundred one billion, four hundred twenty-one million, two hundred four thousand, one hundred three".