2111002102271 has 2 divisors, whose sum is σ = 2111002102272. Its totient is φ = 2111002102270.

The previous prime is 2111002102249. The next prime is 2111002102331. The reversal of 2111002102271 is 1722012001112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2111002102271 - 2¹⁴ = 2111002085887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111002102201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055501051135 + 1055501051136.

It is an arithmetic number, because the mean of its divisors is an integer number (1055501051136).

Almost surely, 2^{2111002102271} is an apocalyptic number.

2111002102271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111002102271 is an equidigital number, since it uses as much as digits as its factorization.

2111002102271 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 20.

Adding to 2111002102271 its reverse (1722012001112), we get a palindrome (3833014103383).

The spelling of 2111002102271 in words is "two trillion, one hundred eleven billion, two million, one hundred two thousand, two hundred seventy-one".