1011011101043 has 2 divisors, whose sum is σ = 1011011101044. Its totient is φ = 1011011101042.

The previous prime is 1011011100997. The next prime is 1011011101057. The reversal of 1011011101043 is 3401011101101.

It is a happy number.

It is an a-pointer prime, because the next prime (1011011101057) can be obtained adding 1011011101043 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011011101043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011011101073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505505550521 + 505505550522.

It is an arithmetic number, because the mean of its divisors is an integer number (505505550522).

Almost surely, 2^{1011011101043} is an apocalyptic number.

1011011101043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011011101043 is an equidigital number, since it uses as much as digits as its factorization.

1011011101043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1011011101043 its reverse (3401011101101), we get a palindrome (4412022202144).

The spelling of 1011011101043 in words is "one trillion, eleven billion, eleven million, one hundred one thousand, forty-three".