210211111201093 has 2 divisors, whose sum is σ = 210211111201094. Its totient is φ = 210211111201092.

The previous prime is 210211111201087. The next prime is 210211111201237. The reversal of 210211111201093 is 390102111112012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123293863665729 + 86917247535364 = 11103777^2 + 9322942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210211111201093 is a prime.

It is a super-2 number, since 2×210211111201093² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210211111201033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105105555600546 + 105105555600547.

It is an arithmetic number, because the mean of its divisors is an integer number (105105555600547).

Almost surely, 2^{210211111201093} is an apocalyptic number.

It is an amenable number.

210211111201093 is a deficient number, since it is larger than the sum of its proper divisors (1).

210211111201093 is an equidigital number, since it uses as much as digits as its factorization.

210211111201093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 25.

The spelling of 210211111201093 in words is "two hundred ten trillion, two hundred eleven billion, one hundred eleven million, two hundred one thousand, ninety-three".