2102210022191 has 2 divisors, whose sum is σ = 2102210022192. Its totient is φ = 2102210022190.

The previous prime is 2102210022137. The next prime is 2102210022259. The reversal of 2102210022191 is 1912200122012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102210022191 - 2¹⁴ = 2102210005807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102210022091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051105011095 + 1051105011096.

It is an arithmetic number, because the mean of its divisors is an integer number (1051105011096).

Almost surely, 2^{2102210022191} is an apocalyptic number.

2102210022191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102210022191 is an equidigital number, since it uses as much as digits as its factorization.

2102210022191 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 2102210022191 in words is "two trillion, one hundred two billion, two hundred ten million, twenty-two thousand, one hundred ninety-one".