22112010201121 has 8 divisors (see below), whose sum is σ = 22168080541544. Its totient is φ = 22055941733760.

The previous prime is 22112010201101. The next prime is 22112010201137. The reversal of 22112010201121 is 12110201021122.

It can be written as a sum of positive squares in 4 ways, for example, as 1808325667600 + 20303684533521 = 1344740^2 + 4505961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22112010201121 - 2²⁵ = 22111976646689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22112010201095 and 22112010201104.

It is not an unprimeable number, because it can be changed into a prime (22112010201101) 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 7 ways as a sum of consecutive naturals, for example, 24913501 + ... + 25785781.

It is an arithmetic number, because the mean of its divisors is an integer number (2771010067693).

Almost surely, 2^{22112010201121} is an apocalyptic number.

It is an amenable number.

22112010201121 is a deficient number, since it is larger than the sum of its proper divisors (56070340423).

22112010201121 is an equidigital number, since it uses as much as digits as its factorization.

22112010201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936531.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22112010201121 its reverse (12110201021122), we get a palindrome (34222211222243).

The spelling of 22112010201121 in words is "twenty-two trillion, one hundred twelve billion, ten million, two hundred one thousand, one hundred twenty-one".