21110112202093 has 2 divisors, whose sum is σ = 21110112202094. Its totient is φ = 21110112202092.

The previous prime is 21110112202057. The next prime is 21110112202099. The reversal of 21110112202093 is 39020221101112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20410182524169 + 699929677924 = 4517763^2 + 836618^2 .

It is a cyclic number.

It is not a de Polignac number, because 21110112202093 - 2³⁷ = 20972673248621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21110112202099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10555056101046 + 10555056101047.

It is an arithmetic number, because the mean of its divisors is an integer number (10555056101047).

Almost surely, 2^{21110112202093} is an apocalyptic number.

It is an amenable number.

21110112202093 is a deficient number, since it is larger than the sum of its proper divisors (1).

21110112202093 is an equidigital number, since it uses as much as digits as its factorization.

21110112202093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 21110112202093 in words is "twenty-one trillion, one hundred ten billion, one hundred twelve million, two hundred two thousand, ninety-three".