210102002211091 has 2 divisors, whose sum is σ = 210102002211092. Its totient is φ = 210102002211090.

The previous prime is 210102002211077. The next prime is 210102002211109. The reversal of 210102002211091 is 190112200201012.

Together with next prime (210102002211109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210102002211091 - 2⁷ = 210102002210963 is a prime.

It is not a weakly prime, because it can be changed into another prime (210102002211001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105051001105545 + 105051001105546.

It is an arithmetic number, because the mean of its divisors is an integer number (105051001105546).

Almost surely, 2^{210102002211091} is an apocalyptic number.

210102002211091 is a deficient number, since it is larger than the sum of its proper divisors (1).

210102002211091 is an equidigital number, since it uses as much as digits as its factorization.

210102002211091 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 210102002211091 in words is "two hundred ten trillion, one hundred two billion, two million, two hundred eleven thousand, ninety-one".