1011111330043 has 2 divisors, whose sum is σ = 1011111330044. Its totient is φ = 1011111330042.

The previous prime is 1011111330023. The next prime is 1011111330107. The reversal of 1011111330043 is 3400331111101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011111330043 is a prime.

It is a super-2 number, since 2×1011111330043² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1011111330043.

It is not a weakly prime, because it can be changed into another prime (1011111330013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505555665021 + 505555665022.

It is an arithmetic number, because the mean of its divisors is an integer number (505555665022).

Almost surely, 2^{1011111330043} is an apocalyptic number.

1011111330043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011111330043 is an equidigital number, since it uses as much as digits as its factorization.

1011111330043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1011111330043 its reverse (3400331111101), we get a palindrome (4411442441144).

The spelling of 1011111330043 in words is "one trillion, eleven billion, one hundred eleven million, three hundred thirty thousand, forty-three".