22112101 has 4 divisors (see below), whose sum is σ = 24122304. Its totient is φ = 20101900.

The previous prime is 22112099. The next prime is 22112107. The reversal of 22112101 is 10121122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22112101 - 2¹ = 22112099 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 (22112107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005085 + ... + 1005106.

It is an arithmetic number, because the mean of its divisors is an integer number (6030576).

Almost surely, 2^22112101 is an apocalyptic number.

It is an amenable number.

22112101 is a deficient number, since it is larger than the sum of its proper divisors (2010203).

22112101 is a wasteful number, since it uses less digits than its factorization.

22112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010202.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 22112101 is about 4702.3505824215. The cubic root of 22112101 is about 280.6790533655.

Adding to 22112101 its reverse (10121122), we get a palindrome (32233223).

The spelling of 22112101 in words is "twenty-two million, one hundred twelve thousand, one hundred one".