1222201111333 has 4 divisors (see below), whose sum is σ = 1222262360748. Its totient is φ = 1222139861920.

The previous prime is 1222201111309. The next prime is 1222201111363. The reversal of 1222201111333 is 3331111022221.

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 846698106244 + 375503005089 = 920162^2 + 612783^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222201111333 - 2²⁵ = 1222167556901 is a prime.

It is a super-2 number, since 2×1222201111333² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222201111363) 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, 30594766 + ... + 30634687.

It is an arithmetic number, because the mean of its divisors is an integer number (305565590187).

Almost surely, 2^{1222201111333} is an apocalyptic number.

It is an amenable number.

1222201111333 is a deficient number, since it is larger than the sum of its proper divisors (61249415).

1222201111333 is an equidigital number, since it uses as much as digits as its factorization.

1222201111333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61249414.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1222201111333 its reverse (3331111022221), we get a palindrome (4553312133554).

The spelling of 1222201111333 in words is "one trillion, two hundred twenty-two billion, two hundred one million, one hundred eleven thousand, three hundred thirty-three".