1111112120117 has 2 divisors, whose sum is σ = 1111112120118. Its totient is φ = 1111112120116.

The previous prime is 1111112120087. The next prime is 1111112120147. The reversal of 1111112120117 is 7110212111111.

It is a balanced prime because it is at equal distance from previous prime (1111112120087) and next prime (1111112120147).

It can be written as a sum of positive squares in only one way, i.e., 1034382566116 + 76729554001 = 1017046^2 + 277001^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111112120117 - 2¹² = 1111112116021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111112120147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555556060058 + 555556060059.

It is an arithmetic number, because the mean of its divisors is an integer number (555556060059).

Almost surely, 2^{1111112120117} is an apocalyptic number.

It is an amenable number.

1111112120117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111112120117 is an equidigital number, since it uses as much as digits as its factorization.

1111112120117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 20.

Adding to 1111112120117 its reverse (7110212111111), we get a palindrome (8221324231228).

The spelling of 1111112120117 in words is "one trillion, one hundred eleven billion, one hundred twelve million, one hundred twenty thousand, one hundred seventeen".