22112101001121 has 32 divisors (see below), whose sum is σ = 29612383107840. Its totient is φ = 14676800576256.

The previous prime is 22112101001117. The next prime is 22112101001197. The reversal of 22112101001121 is 12110010121122.

It is a happy number.

It is not a de Polignac number, because 22112101001121 - 2² = 22112101001117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22112101001121.

It is not an unprimeable number, because it can be changed into a prime (22112101001021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 994730035 + ... + 994752263.

It is an arithmetic number, because the mean of its divisors is an integer number (925386972120).

Almost surely, 2^{22112101001121} is an apocalyptic number.

It is an amenable number.

22112101001121 is a deficient number, since it is larger than the sum of its proper divisors (7500282106719).

22112101001121 is a wasteful number, since it uses less digits than its factorization.

22112101001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24313.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22112101001121 its reverse (12110010121122), we get a palindrome (34222111122243).

The spelling of 22112101001121 in words is "twenty-two trillion, one hundred twelve billion, one hundred one million, one thousand, one hundred twenty-one".