22201020011101 has 4 divisors (see below), whose sum is σ = 22201032215772. Its totient is φ = 22201007806432.

The previous prime is 22201020011039. The next prime is 22201020011117. The reversal of 22201020011101 is 10111002010222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 20035336927225 + 2165683083876 = 4476085^2 + 1471626^2 .

It is a cyclic number.

It is not a de Polignac number, because 22201020011101 - 2¹¹ = 22201020009053 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 (22201020011141) 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, 2765560 + ... + 7214593.

It is an arithmetic number, because the mean of its divisors is an integer number (5550258053943).

Almost surely, 2^{22201020011101} is an apocalyptic number.

It is an amenable number.

22201020011101 is a deficient number, since it is larger than the sum of its proper divisors (12204671).

22201020011101 is an equidigital number, since it uses as much as digits as its factorization.

22201020011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12204670.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22201020011101 its reverse (10111002010222), we get a palindrome (32312022021323).

The spelling of 22201020011101 in words is "twenty-two trillion, two hundred one billion, twenty million, eleven thousand, one hundred one".