210020100132091 has 2 divisors, whose sum is σ = 210020100132092. Its totient is φ = 210020100132090.

The previous prime is 210020100132053. The next prime is 210020100132109. The reversal of 210020100132091 is 190231001020012.

Together with next prime (210020100132109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210020100132091 - 2¹⁵ = 210020100099323 is a prime.

It is not a weakly prime, because it can be changed into another prime (210020100132391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010050066045 + 105010050066046.

It is an arithmetic number, because the mean of its divisors is an integer number (105010050066046).

Almost surely, 2^{210020100132091} is an apocalyptic number.

210020100132091 is a deficient number, since it is larger than the sum of its proper divisors (1).

210020100132091 is an equidigital number, since it uses as much as digits as its factorization.

210020100132091 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 22.

The spelling of 210020100132091 in words is "two hundred ten trillion, twenty billion, one hundred million, one hundred thirty-two thousand, ninety-one".