21110102010229 has 2 divisors, whose sum is σ = 21110102010230. Its totient is φ = 21110102010228.

The previous prime is 21110102010187. The next prime is 21110102010299. The reversal of 21110102010229 is 92201020101112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12385155755025 + 8724946255204 = 3519255^2 + 2953802^2 .

It is a cyclic number.

It is not a de Polignac number, because 21110102010229 - 2¹³ = 21110102002037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21110102010299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10555051005114 + 10555051005115.

It is an arithmetic number, because the mean of its divisors is an integer number (10555051005115).

Almost surely, 2^{21110102010229} is an apocalyptic number.

It is an amenable number.

21110102010229 is a deficient number, since it is larger than the sum of its proper divisors (1).

21110102010229 is an equidigital number, since it uses as much as digits as its factorization.

21110102010229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 21110102010229 in words is "twenty-one trillion, one hundred ten billion, one hundred two million, ten thousand, two hundred twenty-nine".