21522114033103 has 2 divisors, whose sum is σ = 21522114033104. Its totient is φ = 21522114033102.

The previous prime is 21522114033047. The next prime is 21522114033137. The reversal of 21522114033103 is 30133041122512.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21522114033103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21522114033143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10761057016551 + 10761057016552.

It is an arithmetic number, because the mean of its divisors is an integer number (10761057016552).

Almost surely, 2^{21522114033103} is an apocalyptic number.

21522114033103 is a deficient number, since it is larger than the sum of its proper divisors (1).

21522114033103 is an equidigital number, since it uses as much as digits as its factorization.

21522114033103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 21522114033103 its reverse (30133041122512), we get a palindrome (51655155155615).

The spelling of 21522114033103 in words is "twenty-one trillion, five hundred twenty-two billion, one hundred fourteen million, thirty-three thousand, one hundred three".