1031222211023 has 4 divisors (see below), whose sum is σ = 1066781597640. Its totient is φ = 995662824408.

The previous prime is 1031222211013. The next prime is 1031222211031. The reversal of 1031222211023 is 3201122221301.

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

It is a cyclic number.

It is not a de Polignac number, because 1031222211023 - 2⁴ = 1031222211007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031222210986 and 1031222211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031222211013) 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 3 ways as a sum of consecutive naturals, for example, 17779693265 + ... + 17779693322.

It is an arithmetic number, because the mean of its divisors is an integer number (266695399410).

Almost surely, 2^{1031222211023} is an apocalyptic number.

1031222211023 is a deficient number, since it is larger than the sum of its proper divisors (35559386617).

1031222211023 is an equidigital number, since it uses as much as digits as its factorization.

1031222211023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35559386616.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1031222211023 its reverse (3201122221301), we get a palindrome (4232344432324).

The spelling of 1031222211023 in words is "one trillion, thirty-one billion, two hundred twenty-two million, two hundred eleven thousand, twenty-three".