21202010083 has 2 divisors, whose sum is σ = 21202010084. Its totient is φ = 21202010082.

The previous prime is 21202010069. The next prime is 21202010101. The reversal of 21202010083 is 38001020212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21202010083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21202010083.

It is not a weakly prime, because it can be changed into another prime (21202070083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10601005041 + 10601005042.

It is an arithmetic number, because the mean of its divisors is an integer number (10601005042).

Almost surely, 2^21202010083 is an apocalyptic number.

21202010083 is a deficient number, since it is larger than the sum of its proper divisors (1).

21202010083 is an equidigital number, since it uses as much as digits as its factorization.

21202010083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 21202010083 its reverse (38001020212), we get a palindrome (59203030295).

The spelling of 21202010083 in words is "twenty-one billion, two hundred two million, ten thousand, eighty-three".