1022021112023 has 4 divisors (see below), whose sum is σ = 1022995394400. Its totient is φ = 1021046829648.

The previous prime is 1022021111953. The next prime is 1022021112043. The reversal of 1022021112023 is 3202111202201.

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 1022021112023 - 2¹² = 1022021107927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022021111992 and 1022021112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022021112043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487139615 + ... + 487141712.

It is an arithmetic number, because the mean of its divisors is an integer number (255748848600).

Almost surely, 2^{1022021112023} is an apocalyptic number.

1022021112023 is a deficient number, since it is larger than the sum of its proper divisors (974282377).

1022021112023 is an equidigital number, since it uses as much as digits as its factorization.

1022021112023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974282376.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1022021112023 its reverse (3202111202201), we get a palindrome (4224132314224).

The spelling of 1022021112023 in words is "one trillion, twenty-two billion, twenty-one million, one hundred twelve thousand, twenty-three".