22100012101 has 4 divisors (see below), whose sum is σ = 22318824204. Its totient is φ = 21881200000.

The previous prime is 22100012069. The next prime is 22100012111. The reversal of 22100012101 is 10121000122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20740320225 + 1359691876 = 144015^2 + 36874^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100012101 - 2⁵ = 22100012069 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 (22100012111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109405900 + ... + 109406101.

It is an arithmetic number, because the mean of its divisors is an integer number (5579706051).

Almost surely, 2^22100012101 is an apocalyptic number.

It is an amenable number.

22100012101 is a deficient number, since it is larger than the sum of its proper divisors (218812103).

22100012101 is a wasteful number, since it uses less digits than its factorization.

22100012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218812102.

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

Adding to 22100012101 its reverse (10121000122), we get a palindrome (32221012223).

The spelling of 22100012101 in words is "twenty-two billion, one hundred million, twelve thousand, one hundred one".