2211214444321 has 2 divisors, whose sum is σ = 2211214444322. Its totient is φ = 2211214444320.

The previous prime is 2211214444301. The next prime is 2211214444357. The reversal of 2211214444321 is 1234444121122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2080286982400 + 130927461921 = 1442320^2 + 361839^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211214444321 - 2⁷ = 2211214444193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211214444301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105607222160 + 1105607222161.

It is an arithmetic number, because the mean of its divisors is an integer number (1105607222161).

Almost surely, 2^{2211214444321} is an apocalyptic number.

It is an amenable number.

2211214444321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211214444321 is an equidigital number, since it uses as much as digits as its factorization.

2211214444321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 31.

Adding to 2211214444321 its reverse (1234444121122), we get a palindrome (3445658565443).

The spelling of 2211214444321 in words is "two trillion, two hundred eleven billion, two hundred fourteen million, four hundred forty-four thousand, three hundred twenty-one".