2211272226272 has 12 divisors (see below), whose sum is σ = 4353442195536. Its totient is φ = 1105636113120.

The previous prime is 2211272226227. The next prime is 2211272226403. The reversal of 2211272226272 is 2726222721122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34551128504 + ... + 34551128567.

It is an arithmetic number, because the mean of its divisors is an integer number (362786849628).

Almost surely, 2^{2211272226272} is an apocalyptic number.

It is an amenable number.

2211272226272 is a deficient number, since it is larger than the sum of its proper divisors (2142169969264).

2211272226272 is an equidigital number, since it uses as much as digits as its factorization.

2211272226272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69102257081 (or 69102257073 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

Adding to 2211272226272 its reverse (2726222721122), we get a palindrome (4937494947394).

The spelling of 2211272226272 in words is "two trillion, two hundred eleven billion, two hundred seventy-two million, two hundred twenty-six thousand, two hundred seventy-two".