21010211083 has 2 divisors, whose sum is σ = 21010211084. Its totient is φ = 21010211082.

The previous prime is 21010211069. The next prime is 21010211137. The reversal of 21010211083 is 38011201012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21010211083 - 2²⁵ = 20976656651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21010211083.

It is not a weakly prime, because it can be changed into another prime (21010211003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10505105541 + 10505105542.

It is an arithmetic number, because the mean of its divisors is an integer number (10505105542).

Almost surely, 2^21010211083 is an apocalyptic number.

21010211083 is a deficient number, since it is larger than the sum of its proper divisors (1).

21010211083 is an equidigital number, since it uses as much as digits as its factorization.

21010211083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 21010211083 its reverse (38011201012), we get a palindrome (59021412095).

The spelling of 21010211083 in words is "twenty-one billion, ten million, two hundred eleven thousand, eighty-three".