1311130111222 has 16 divisors (see below), whose sum is σ = 2007633703680. Its totient is φ = 642003373672.

The previous prime is 1311130111211. The next prime is 1311130111231. The reversal of 1311130111222 is 2221110311131.

It is a self number, because there is not a number n which added to its sum of digits gives 1311130111222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21093058 + ... + 21155125.

It is an arithmetic number, because the mean of its divisors is an integer number (125477106480).

Almost surely, 2^{1311130111222} is an apocalyptic number.

1311130111222 is a deficient number, since it is larger than the sum of its proper divisors (696503592458).

1311130111222 is a wasteful number, since it uses less digits than its factorization.

1311130111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42248507.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1311130111222 its reverse (2221110311131), we get a palindrome (3532240422353).

The spelling of 1311130111222 in words is "one trillion, three hundred eleven billion, one hundred thirty million, one hundred eleven thousand, two hundred twenty-two".