221430423411 has 10 divisors (see below), whose sum is σ = 330778780772. Its totient is φ = 147620282220.

The previous prime is 221430423377. The next prime is 221430423413. The reversal of 221430423411 is 114324034122.

221430423411 is a `hidden beast` number, since 2 + 2 + 14 + 304 + 2 + 341 + 1 = 666.

It is not a de Polignac number, because 221430423411 - 2²² = 221426229107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221430423413) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1366854385 + ... + 1366854546.

Almost surely, 2^221430423411 is an apocalyptic number.

221430423411 is a deficient number, since it is larger than the sum of its proper divisors (109348357361).

221430423411 is an equidigital number, since it uses as much as digits as its factorization.

221430423411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733708943 (or 2733708934 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 221430423411 its reverse (114324034122), we get a palindrome (335754457533).

The spelling of 221430423411 in words is "two hundred twenty-one billion, four hundred thirty million, four hundred twenty-three thousand, four hundred eleven".