2101001222071 has 2 divisors, whose sum is σ = 2101001222072. Its totient is φ = 2101001222070.

The previous prime is 2101001222059. The next prime is 2101001222143. The reversal of 2101001222071 is 1702221001012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101001222071 - 2²⁹ = 2100464351159 is a prime.

It is a super-2 number, since 2×2101001222071² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101001222041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050500611035 + 1050500611036.

It is an arithmetic number, because the mean of its divisors is an integer number (1050500611036).

Almost surely, 2^{2101001222071} is an apocalyptic number.

2101001222071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101001222071 is an equidigital number, since it uses as much as digits as its factorization.

2101001222071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 2101001222071 its reverse (1702221001012), we get a palindrome (3803222223083).

The spelling of 2101001222071 in words is "two trillion, one hundred one billion, one million, two hundred twenty-two thousand, seventy-one".