210110011212091 has 2 divisors, whose sum is σ = 210110011212092. Its totient is φ = 210110011212090.

The previous prime is 210110011212083. The next prime is 210110011212107. The reversal of 210110011212091 is 190212110011012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210110011212091 - 2³ = 210110011212083 is a prime.

It is not a weakly prime, because it can be changed into another prime (210110011218091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105055005606045 + 105055005606046.

It is an arithmetic number, because the mean of its divisors is an integer number (105055005606046).

Almost surely, 2^{210110011212091} is an apocalyptic number.

210110011212091 is a deficient number, since it is larger than the sum of its proper divisors (1).

210110011212091 is an equidigital number, since it uses as much as digits as its factorization.

210110011212091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 210110011212091 in words is "two hundred ten trillion, one hundred ten billion, eleven million, two hundred twelve thousand, ninety-one".