1123311311222 has 32 divisors (see below), whose sum is σ = 1715981531904. Its totient is φ = 551376381600.

The previous prime is 1123311311209. The next prime is 1123311311249. The reversal of 1123311311222 is 2221131133211.

It is a happy number.

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, 177989447 + ... + 177995757.

It is an arithmetic number, because the mean of its divisors is an integer number (53624422872).

Almost surely, 2^{1123311311222} is an apocalyptic number.

1123311311222 is a deficient number, since it is larger than the sum of its proper divisors (592670220682).

1123311311222 is a wasteful number, since it uses less digits than its factorization.

1123311311222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10724.

The product of its digits is 432, while the sum is 23.

Adding to 1123311311222 its reverse (2221131133211), we get a palindrome (3344442444433).

The spelling of 1123311311222 in words is "one trillion, one hundred twenty-three billion, three hundred eleven million, three hundred eleven thousand, two hundred twenty-two".