1311011111122 has 8 divisors (see below), whose sum is σ = 1966522377456. Its totient is φ = 655503651972.

The previous prime is 1311011111107. The next prime is 1311011111149. The reversal of 1311011111122 is 2211111101131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1311011111096 and 1311011111105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176673 + ... + 1628875.

It is an arithmetic number, because the mean of its divisors is an integer number (245815297182).

Almost surely, 2^{1311011111122} is an apocalyptic number.

1311011111122 is a deficient number, since it is larger than the sum of its proper divisors (655511266334).

1311011111122 is a wasteful number, since it uses less digits than its factorization.

1311011111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903592.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 1311011111122 its reverse (2211111101131), we get a palindrome (3522122212253).

Subtracting 1311011111122 from its reverse (2211111101131), we obtain a palindrome (900099990009).

The spelling of 1311011111122 in words is "one trillion, three hundred eleven billion, eleven million, one hundred eleven thousand, one hundred twenty-two".