21110100083 has 2 divisors, whose sum is σ = 21110100084. Its totient is φ = 21110100082.

The previous prime is 21110100079. The next prime is 21110100133. The reversal of 21110100083 is 38000101112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21110100083 - 2² = 21110100079 is a prime.

It is not a weakly prime, because it can be changed into another prime (21110100023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10555050041 + 10555050042.

It is an arithmetic number, because the mean of its divisors is an integer number (10555050042).

Almost surely, 2^21110100083 is an apocalyptic number.

21110100083 is a deficient number, since it is larger than the sum of its proper divisors (1).

21110100083 is an equidigital number, since it uses as much as digits as its factorization.

21110100083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 21110100083 its reverse (38000101112), we get a palindrome (59110201195).

The spelling of 21110100083 in words is "twenty-one billion, one hundred ten million, one hundred thousand, eighty-three".