1311303101222 has 32 divisors (see below), whose sum is σ = 2144271890880. Its totient is φ = 599523971200.

The previous prime is 1311303101219. The next prime is 1311303101267. The reversal of 1311303101222 is 2221013031131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1311303101194 and 1311303101203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4731533 + ... + 5001000.

It is an arithmetic number, because the mean of its divisors is an integer number (67008496590).

Almost surely, 2^{1311303101222} is an apocalyptic number.

1311303101222 is a deficient number, since it is larger than the sum of its proper divisors (832968789658).

1311303101222 is a wasteful number, since it uses less digits than its factorization.

1311303101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9732688.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1311303101222 its reverse (2221013031131), we get a palindrome (3532316132353).

The spelling of 1311303101222 in words is "one trillion, three hundred eleven billion, three hundred three million, one hundred one thousand, two hundred twenty-two".