2211010100989 has 2 divisors, whose sum is σ = 2211010100990. Its totient is φ = 2211010100988.

The previous prime is 2211010100909. The next prime is 2211010101049. The reversal of 2211010100989 is 9890010101122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1572741728100 + 638268372889 = 1254090^2 + 798917^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211010100989 - 2²⁷ = 2210875883261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211010100909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105505050494 + 1105505050495.

It is an arithmetic number, because the mean of its divisors is an integer number (1105505050495).

Almost surely, 2^{2211010100989} is an apocalyptic number.

It is an amenable number.

2211010100989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211010100989 is an equidigital number, since it uses as much as digits as its factorization.

2211010100989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 34.

It can be divided in two parts, 22 and 11010100989, that added together give a palindrome (11010101011).

The spelling of 2211010100989 in words is "two trillion, two hundred eleven billion, ten million, one hundred thousand, nine hundred eighty-nine".