424132011221 has 16 divisors (see below), whose sum is σ = 446761286400. Its totient is φ = 401853944448.

The previous prime is 424132011167. The next prime is 424132011253. The reversal of 424132011221 is 122110231424.

It is a cyclic number.

It is not a de Polignac number, because 424132011221 - 2¹⁴ = 424131994837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424132071221) 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, 9426440 + ... + 9471326.

It is an arithmetic number, because the mean of its divisors is an integer number (27922580400).

Almost surely, 2^424132011221 is an apocalyptic number.

It is an amenable number.

424132011221 is a deficient number, since it is larger than the sum of its proper divisors (22629275179).

424132011221 is a wasteful number, since it uses less digits than its factorization.

424132011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48788.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 424132011221 its reverse (122110231424), we get a palindrome (546242242645).

The spelling of 424132011221 in words is "four hundred twenty-four billion, one hundred thirty-two million, eleven thousand, two hundred twenty-one".