421324250121 has 12 divisors (see below), whose sum is σ = 609470520048. Its totient is φ = 280471580664.

The previous prime is 421324250101. The next prime is 421324250147. The reversal of 421324250121 is 121052423124.

421324250121 is a `hidden beast` number, since 4 + 2 + 132 + 4 + 2 + 501 + 21 = 666.

It is not a de Polignac number, because 421324250121 - 2¹¹ = 421324248073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421324250101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34264575 + ... + 34276868.

It is an arithmetic number, because the mean of its divisors is an integer number (50789210004).

Almost surely, 2^421324250121 is an apocalyptic number.

It is an amenable number.

421324250121 is a deficient number, since it is larger than the sum of its proper divisors (188146269927).

421324250121 is a wasteful number, since it uses less digits than its factorization.

421324250121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68542132 (or 68542129 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 421324250121 its reverse (121052423124), we get a palindrome (542376673245).

The spelling of 421324250121 in words is "four hundred twenty-one billion, three hundred twenty-four million, two hundred fifty thousand, one hundred twenty-one".