21024232414222 has 4 divisors (see below), whose sum is σ = 31536348621336. Its totient is φ = 10512116207110.

The previous prime is 21024232414219. The next prime is 21024232414231. The reversal of 21024232414222 is 22241423242012.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5256058103554 + ... + 5256058103557.

It is an arithmetic number, because the mean of its divisors is an integer number (7884087155334).

Almost surely, 2^{21024232414222} is an apocalyptic number.

21024232414222 is a deficient number, since it is larger than the sum of its proper divisors (10512116207114).

21024232414222 is a wasteful number, since it uses less digits than its factorization.

21024232414222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10512116207113.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 21024232414222 its reverse (22241423242012), we get a palindrome (43265655656234).

The spelling of 21024232414222 in words is "twenty-one trillion, twenty-four billion, two hundred thirty-two million, four hundred fourteen thousand, two hundred twenty-two".