1111313120111 has 2 divisors, whose sum is σ = 1111313120112. Its totient is φ = 1111313120110.

The previous prime is 1111313120101. The next prime is 1111313120167. The reversal of 1111313120111 is 1110213131111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111313120111 - 2²² = 1111308925807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111313120111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111313120101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555656560055 + 555656560056.

It is an arithmetic number, because the mean of its divisors is an integer number (555656560056).

Almost surely, 2^{1111313120111} is an apocalyptic number.

1111313120111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111313120111 is an equidigital number, since it uses as much as digits as its factorization.

1111313120111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 1111313120111 its reverse (1110213131111), we get a palindrome (2221526251222).

The spelling of 1111313120111 in words is "one trillion, one hundred eleven billion, three hundred thirteen million, one hundred twenty thousand, one hundred eleven".