21202112083 has 2 divisors, whose sum is σ = 21202112084. Its totient is φ = 21202112082.

The previous prime is 21202112051. The next prime is 21202112093. The reversal of 21202112083 is 38021120212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21202112083 - 2⁵ = 21202112051 is a prime.

It is not a weakly prime, because it can be changed into another prime (21202112093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10601056041 + 10601056042.

It is an arithmetic number, because the mean of its divisors is an integer number (10601056042).

Almost surely, 2^21202112083 is an apocalyptic number.

21202112083 is a deficient number, since it is larger than the sum of its proper divisors (1).

21202112083 is an equidigital number, since it uses as much as digits as its factorization.

21202112083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 21202112083 its reverse (38021120212), we get a palindrome (59223232295).

The spelling of 21202112083 in words is "twenty-one billion, two hundred two million, one hundred twelve thousand, eighty-three".