22101101 has 4 divisors (see below), whose sum is σ = 24110304. Its totient is φ = 20091900.

The previous prime is 22101083. The next prime is 22101113. The reversal of 22101101 is 10110122.

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 a de Polignac number, because none of the positive numbers 2^k-22101101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101151) 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, 1004585 + ... + 1004606.

It is an arithmetic number, because the mean of its divisors is an integer number (6027576).

Almost surely, 2^22101101 is an apocalyptic number.

It is an amenable number.

22101101 is a deficient number, since it is larger than the sum of its proper divisors (2009203).

22101101 is a wasteful number, since it uses less digits than its factorization.

22101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009202.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 22101101 is about 4701.1808091159. The cubic root of 22101101 is about 280.6325029616.

Adding to 22101101 its reverse (10110122), we get a palindrome (32211223).

It can be divided in two parts, 22 and 101101, that multiplied together give a palindrome (2224222).

The spelling of 22101101 in words is "twenty-two million, one hundred one thousand, one hundred one".