211202020093 has 2 divisors, whose sum is σ = 211202020094. Its totient is φ = 211202020092.

The previous prime is 211202020039. The next prime is 211202020109. The reversal of 211202020093 is 390020202112.

Together with previous prime (211202020039) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209198293924 + 2003726169 = 457382^2 + 44763^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211202020093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211202020793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105601010046 + 105601010047.

It is an arithmetic number, because the mean of its divisors is an integer number (105601010047).

Almost surely, 2^211202020093 is an apocalyptic number.

It is an amenable number.

211202020093 is a deficient number, since it is larger than the sum of its proper divisors (1).

211202020093 is an equidigital number, since it uses as much as digits as its factorization.

211202020093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 211202020093 in words is "two hundred eleven billion, two hundred two million, twenty thousand, ninety-three".