21442314010213 has 4 divisors (see below), whose sum is σ = 21442591266880. Its totient is φ = 21442036753548.

The previous prime is 21442314010193. The next prime is 21442314010223. The reversal of 21442314010213 is 31201041324412.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-21442314010213 is a prime.

It is a super-2 number, since 2×21442314010213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21442314010223) 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, 138512295 + ... + 138667012.

It is an arithmetic number, because the mean of its divisors is an integer number (5360647816720).

Almost surely, 2^{21442314010213} is an apocalyptic number.

It is an amenable number.

21442314010213 is a deficient number, since it is larger than the sum of its proper divisors (277256667).

21442314010213 is an equidigital number, since it uses as much as digits as its factorization.

21442314010213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277256666.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 21442314010213 its reverse (31201041324412), we get a palindrome (52643355334625).

The spelling of 21442314010213 in words is "twenty-one trillion, four hundred forty-two billion, three hundred fourteen million, ten thousand, two hundred thirteen".