1011110220097 has 4 divisors (see below), whose sum is σ = 1011209426820. Its totient is φ = 1011011013376.

The previous prime is 1011110220083. The next prime is 1011110220149. The reversal of 1011110220097 is 7900220111101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 430124793921 + 580985426176 = 655839^2 + 762224^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011110220097 - 2¹¹ = 1011110218049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011110220017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49588072 + ... + 49608457.

It is an arithmetic number, because the mean of its divisors is an integer number (252802356705).

Almost surely, 2^{1011110220097} is an apocalyptic number.

It is an amenable number.

1011110220097 is a deficient number, since it is larger than the sum of its proper divisors (99206723).

1011110220097 is an equidigital number, since it uses as much as digits as its factorization.

1011110220097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99206722.

The product of its (nonzero) digits is 252, while the sum is 25.

Adding to 1011110220097 its reverse (7900220111101), we get a palindrome (8911330331198).

The spelling of 1011110220097 in words is "one trillion, eleven billion, one hundred ten million, two hundred twenty thousand, ninety-seven".