22112122121101 has 16 divisors (see below), whose sum is σ = 22966160501248. Its totient is φ = 21266888385600.

The previous prime is 22112122121081. The next prime is 22112122121107. The reversal of 22112122121101 is 10112122121122.

It is a happy number.

It is not a de Polignac number, because 22112122121101 - 2¹⁵ = 22112122088333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112122121107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268763311 + ... + 268845571.

It is an arithmetic number, because the mean of its divisors is an integer number (1435385031328).

Almost surely, 2^{22112122121101} is an apocalyptic number.

It is an amenable number.

22112122121101 is a deficient number, since it is larger than the sum of its proper divisors (854038380147).

22112122121101 is a wasteful number, since it uses less digits than its factorization.

22112122121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135652.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22112122121101 its reverse (10112122121122), we get a palindrome (32224244242223).

The spelling of 22112122121101 in words is "twenty-two trillion, one hundred twelve billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred one".