21110100111299 has 2 divisors, whose sum is σ = 21110100111300. Its totient is φ = 21110100111298.

The previous prime is 21110100111161. The next prime is 21110100111403. The reversal of 21110100111299 is 99211100101112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21110100111299 - 2⁸ = 21110100111043 is a prime.

It is not a weakly prime, because it can be changed into another prime (21110100110299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10555050055649 + 10555050055650.

It is an arithmetic number, because the mean of its divisors is an integer number (10555050055650).

Almost surely, 2^{21110100111299} is an apocalyptic number.

21110100111299 is a deficient number, since it is larger than the sum of its proper divisors (1).

21110100111299 is an equidigital number, since it uses as much as digits as its factorization.

21110100111299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 29.

The spelling of 21110100111299 in words is "twenty-one trillion, one hundred ten billion, one hundred million, one hundred eleven thousand, two hundred ninety-nine".