21514275103 has 2 divisors, whose sum is σ = 21514275104. Its totient is φ = 21514275102.

The previous prime is 21514275053. The next prime is 21514275119. The reversal of 21514275103 is 30157241512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21514275103 - 2⁹ = 21514274591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21514275173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10757137551 + 10757137552.

It is an arithmetic number, because the mean of its divisors is an integer number (10757137552).

Almost surely, 2^21514275103 is an apocalyptic number.

21514275103 is a deficient number, since it is larger than the sum of its proper divisors (1).

21514275103 is an equidigital number, since it uses as much as digits as its factorization.

21514275103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 21514275103 in words is "twenty-one billion, five hundred fourteen million, two hundred seventy-five thousand, one hundred three".