1011111321107 has 2 divisors, whose sum is σ = 1011111321108. Its totient is φ = 1011111321106.

The previous prime is 1011111321091. The next prime is 1011111321119. The reversal of 1011111321107 is 7011231111101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011111321107 - 2⁴ = 1011111321091 is a prime.

It is a super-3 number, since 3×1011111321107³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1011111321007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505555660553 + 505555660554.

It is an arithmetic number, because the mean of its divisors is an integer number (505555660554).

Almost surely, 2^{1011111321107} is an apocalyptic number.

1011111321107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011111321107 is an equidigital number, since it uses as much as digits as its factorization.

1011111321107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 20.

Adding to 1011111321107 its reverse (7011231111101), we get a palindrome (8022342432208).

The spelling of 1011111321107 in words is "one trillion, eleven billion, one hundred eleven million, three hundred twenty-one thousand, one hundred seven".