21223332201113 has 4 divisors (see below), whose sum is σ = 24255236801280. Its totient is φ = 18191427600948.

The previous prime is 21223332201107. The next prime is 21223332201157. The reversal of 21223332201113 is 31110223332212.

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 de Polignac number, because none of the positive numbers 2^k-21223332201113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21223332201013) 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, 1515952300073 + ... + 1515952300086.

It is an arithmetic number, because the mean of its divisors is an integer number (6063809200320).

Almost surely, 2^{21223332201113} is an apocalyptic number.

It is an amenable number.

21223332201113 is a deficient number, since it is larger than the sum of its proper divisors (3031904600167).

21223332201113 is an equidigital number, since it uses as much as digits as its factorization.

21223332201113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031904600166.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 21223332201113 its reverse (31110223332212), we get a palindrome (52333555533325).

The spelling of 21223332201113 in words is "twenty-one trillion, two hundred twenty-three billion, three hundred thirty-two million, two hundred one thousand, one hundred thirteen".