1111313101 has 2 divisors, whose sum is σ = 1111313102. Its totient is φ = 1111313100.

The previous prime is 1111313053. The next prime is 1111313111. The reversal of 1111313101 is 1013131111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1028484900 + 82828201 = 32070^2 + 9101^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111313101 - 2¹¹ = 1111311053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111313111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555656550 + 555656551.

It is an arithmetic number, because the mean of its divisors is an integer number (555656551).

Almost surely, 2^1111313101 is an apocalyptic number.

It is an amenable number.

1111313101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111313101 is an equidigital number, since it uses as much as digits as its factorization.

1111313101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 13.

The square root of 1111313101 is about 33336.3630439795. The cubic root of 1111313101 is about 1035.8069278033.

Adding to 1111313101 its reverse (1013131111), we get a palindrome (2124444212).

The spelling of 1111313101 in words is "one billion, one hundred eleven million, three hundred thirteen thousand, one hundred one".