21224330150113 has 4 divisors (see below), whose sum is σ = 21231934714048. Its totient is φ = 21216725586180.

The previous prime is 21224330150099. The next prime is 21224330150141. The reversal of 21224330150113 is 31105103342212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21224330150113 - 2²⁵ = 21224296595681 is a prime.

It is a super-2 number, since 2×21224330150113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21224330153113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3802277781 + ... + 3802283362.

It is an arithmetic number, because the mean of its divisors is an integer number (5307983678512).

Almost surely, 2^{21224330150113} is an apocalyptic number.

It is an amenable number.

21224330150113 is a deficient number, since it is larger than the sum of its proper divisors (7604563935).

21224330150113 is an equidigital number, since it uses as much as digits as its factorization.

21224330150113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7604563934.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 21224330150113 its reverse (31105103342212), we get a palindrome (52329433492325).

The spelling of 21224330150113 in words is "twenty-one trillion, two hundred twenty-four billion, three hundred thirty million, one hundred fifty thousand, one hundred thirteen".