1222321013311 has 16 divisors (see below), whose sum is σ = 1293982588800. Its totient is φ = 1152631454688.

The previous prime is 1222321013269. The next prime is 1222321013323. The reversal of 1222321013311 is 1133101232221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222321013311 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 (1222321013371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18606120 + ... + 18671698.

It is an arithmetic number, because the mean of its divisors is an integer number (80873911800).

Almost surely, 2^{1222321013311} is an apocalyptic number.

1222321013311 is a deficient number, since it is larger than the sum of its proper divisors (71661575489).

1222321013311 is a wasteful number, since it uses less digits than its factorization.

1222321013311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80598.

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

Adding to 1222321013311 its reverse (1133101232221), we get a palindrome (2355422245532).

The spelling of 1222321013311 in words is "one trillion, two hundred twenty-two billion, three hundred twenty-one million, thirteen thousand, three hundred eleven".