11112022123021 has 16 divisors (see below), whose sum is σ = 11378202848640. Its totient is φ = 10849045616640.

The previous prime is 11112022122961. The next prime is 11112022123051. The reversal of 11112022123021 is 12032122021111.

It is a cyclic number.

It is not a de Polignac number, because 11112022123021 - 2¹⁷ = 11112021991949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11112022123021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112022123051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4832685 + ... + 6751213.

It is an arithmetic number, because the mean of its divisors is an integer number (711137678040).

Almost surely, 2^{11112022123021} is an apocalyptic number.

It is an amenable number.

11112022123021 is a deficient number, since it is larger than the sum of its proper divisors (266180725619).

11112022123021 is a wasteful number, since it uses less digits than its factorization.

11112022123021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919364.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11112022123021 its reverse (12032122021111), we get a palindrome (23144144144132).

The spelling of 11112022123021 in words is "eleven trillion, one hundred twelve billion, twenty-two million, one hundred twenty-three thousand, twenty-one".