420103103421 has 16 divisors (see below), whose sum is σ = 571930519680. Its totient is φ = 274233315840.

The previous prime is 420103103377. The next prime is 420103103423. The reversal of 420103103421 is 124301301024.

It is not a de Polignac number, because 420103103421 - 2¹³ = 420103095229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420103103423) 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, 7610460 + ... + 7665461.

It is an arithmetic number, because the mean of its divisors is an integer number (35745657480).

Almost surely, 2^420103103421 is an apocalyptic number.

It is an amenable number.

420103103421 is a deficient number, since it is larger than the sum of its proper divisors (151827416259).

420103103421 is a wasteful number, since it uses less digits than its factorization.

420103103421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15276116.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 420103103421 its reverse (124301301024), we get a palindrome (544404404445).

The spelling of 420103103421 in words is "four hundred twenty billion, one hundred three million, one hundred three thousand, four hundred twenty-one".