2101102212191 has 2 divisors, whose sum is σ = 2101102212192. Its totient is φ = 2101102212190.

The previous prime is 2101102212169. The next prime is 2101102212239. The reversal of 2101102212191 is 1912122011012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101102212191 - 2¹⁴ = 2101102195807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101102112191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050551106095 + 1050551106096.

It is an arithmetic number, because the mean of its divisors is an integer number (1050551106096).

Almost surely, 2^{2101102212191} is an apocalyptic number.

2101102212191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101102212191 is an equidigital number, since it uses as much as digits as its factorization.

2101102212191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 2101102212191 in words is "two trillion, one hundred one billion, one hundred two million, two hundred twelve thousand, one hundred ninety-one".