1011110020801 has 2 divisors, whose sum is σ = 1011110020802. Its totient is φ = 1011110020800.

The previous prime is 1011110020763. The next prime is 1011110020831. The reversal of 1011110020801 is 1080200111101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 903404626576 + 107705394225 = 950476^2 + 328185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011110020801 - 2³⁵ = 976750282433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011110020831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505555010400 + 505555010401.

It is an arithmetic number, because the mean of its divisors is an integer number (505555010401).

Almost surely, 2^{1011110020801} is an apocalyptic number.

It is an amenable number.

1011110020801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011110020801 is an equidigital number, since it uses as much as digits as its factorization.

1011110020801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 1011110020801 its reverse (1080200111101), we get a palindrome (2091310131902).

The spelling of 1011110020801 in words is "one trillion, eleven billion, one hundred ten million, twenty thousand, eight hundred one".