21995114303 has 2 divisors, whose sum is σ = 21995114304. Its totient is φ = 21995114302.

The previous prime is 21995114269. The next prime is 21995114347. The reversal of 21995114303 is 30341159912.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21995114303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21995114903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10997557151 + 10997557152.

It is an arithmetic number, because the mean of its divisors is an integer number (10997557152).

Almost surely, 2^21995114303 is an apocalyptic number.

21995114303 is a deficient number, since it is larger than the sum of its proper divisors (1).

21995114303 is an equidigital number, since it uses as much as digits as its factorization.

21995114303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 21995114303 in words is "twenty-one billion, nine hundred ninety-five million, one hundred fourteen thousand, three hundred three".