1000220112097 has 4 divisors (see below), whose sum is σ = 1034710460820. Its totient is φ = 965729763376.

The previous prime is 1000220112053. The next prime is 1000220112109. The reversal of 1000220112097 is 7902110220001.

1000220112097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 759810332241 + 240409779856 = 871671^2 + 490316^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000220112097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000220116097) 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, 17245174318 + ... + 17245174375.

It is an arithmetic number, because the mean of its divisors is an integer number (258677615205).

Almost surely, 2^{1000220112097} is an apocalyptic number.

It is an amenable number.

1000220112097 is a deficient number, since it is larger than the sum of its proper divisors (34490348723).

1000220112097 is an equidigital number, since it uses as much as digits as its factorization.

1000220112097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34490348722.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 1000220112097 its reverse (7902110220001), we get a palindrome (8902330332098).

The spelling of 1000220112097 in words is "one trillion, two hundred twenty million, one hundred twelve thousand, ninety-seven".