2101222111127 has 2 divisors, whose sum is σ = 2101222111128. Its totient is φ = 2101222111126.

The previous prime is 2101222111097. The next prime is 2101222111181. The reversal of 2101222111127 is 7211112221012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101222111127 - 2⁶ = 2101222111063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101222111427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050611055563 + 1050611055564.

It is an arithmetic number, because the mean of its divisors is an integer number (1050611055564).

Almost surely, 2^{2101222111127} is an apocalyptic number.

2101222111127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101222111127 is an equidigital number, since it uses as much as digits as its factorization.

2101222111127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 2101222111127 its reverse (7211112221012), we get a palindrome (9312334332139).

The spelling of 2101222111127 in words is "two trillion, one hundred one billion, two hundred twenty-two million, one hundred eleven thousand, one hundred twenty-seven".