21313121222083 has 2 divisors, whose sum is σ = 21313121222084. Its totient is φ = 21313121222082.

The previous prime is 21313121222069. The next prime is 21313121222111. The reversal of 21313121222083 is 38022212131312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21313121222083 is a prime.

It is not a weakly prime, because it can be changed into another prime (21313121222383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10656560611041 + 10656560611042.

It is an arithmetic number, because the mean of its divisors is an integer number (10656560611042).

Almost surely, 2^{21313121222083} is an apocalyptic number.

21313121222083 is a deficient number, since it is larger than the sum of its proper divisors (1).

21313121222083 is an equidigital number, since it uses as much as digits as its factorization.

21313121222083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 21313121222083 its reverse (38022212131312), we get a palindrome (59335333353395).

The spelling of 21313121222083 in words is "twenty-one trillion, three hundred thirteen billion, one hundred twenty-one million, two hundred twenty-two thousand, eighty-three".