210120012202091 has 2 divisors, whose sum is σ = 210120012202092. Its totient is φ = 210120012202090.

The previous prime is 210120012202049. The next prime is 210120012202129. The reversal of 210120012202091 is 190202210021012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210120012202091 - 2¹⁸ = 210120011939947 is a prime.

It is a super-3 number, since 3×210120012202091³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (210120012252091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105060006101045 + 105060006101046.

It is an arithmetic number, because the mean of its divisors is an integer number (105060006101046).

Almost surely, 2^{210120012202091} is an apocalyptic number.

210120012202091 is a deficient number, since it is larger than the sum of its proper divisors (1).

210120012202091 is an equidigital number, since it uses as much as digits as its factorization.

210120012202091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 210120012202091 in words is "two hundred ten trillion, one hundred twenty billion, twelve million, two hundred two thousand, ninety-one".