1222312201141 has 4 divisors (see below), whose sum is σ = 1223009471692. Its totient is φ = 1221614930592.

The previous prime is 1222312201111. The next prime is 1222312201153. The reversal of 1222312201141 is 1411022132221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 344661752241 + 877650448900 = 587079^2 + 936830^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222312201141 - 2¹¹ = 1222312199093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222312201111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348632646 + ... + 348636151.

It is an arithmetic number, because the mean of its divisors is an integer number (305752367923).

Almost surely, 2^{1222312201141} is an apocalyptic number.

It is an amenable number.

1222312201141 is a deficient number, since it is larger than the sum of its proper divisors (697270551).

1222312201141 is an equidigital number, since it uses as much as digits as its factorization.

1222312201141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697270550.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1222312201141 its reverse (1411022132221), we get a palindrome (2633334333362).

The spelling of 1222312201141 in words is "one trillion, two hundred twenty-two billion, three hundred twelve million, two hundred one thousand, one hundred forty-one".