1023320112201 has 6 divisors (see below), whose sum is σ = 1478129050970. Its totient is φ = 682213408128.

The previous prime is 1023320112181. The next prime is 1023320112229. The reversal of 1023320112201 is 1022110233201.

1023320112201 is a `hidden beast` number, since 10 + 23 + 320 + 112 + 201 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1018436198976 + 4883913225 = 1009176^2 + 69885^2 .

It is not a de Polignac number, because 1023320112201 - 2⁹ = 1023320111689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023320112271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56851117336 + ... + 56851117353.

Almost surely, 2^{1023320112201} is an apocalyptic number.

It is an amenable number.

1023320112201 is a deficient number, since it is larger than the sum of its proper divisors (454808938769).

1023320112201 is a wasteful number, since it uses less digits than its factorization.

1023320112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113702234695 (or 113702234692 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1023320112201 its reverse (1022110233201), we get a palindrome (2045430345402).

The spelling of 1023320112201 in words is "one trillion, twenty-three billion, three hundred twenty million, one hundred twelve thousand, two hundred one".