201112220222101 has 4 divisors (see below), whose sum is σ = 201113377097472. Its totient is φ = 201111063346732.

The previous prime is 201112220222087. The next prime is 201112220222191. The reversal of 201112220222101 is 101222022211102.

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 201112220222101 - 2¹¹ = 201112220220053 is a prime.

It is a super-2 number, since 2×201112220222101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201112220222191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578176885 + ... + 578524618.

It is an arithmetic number, because the mean of its divisors is an integer number (50278344274368).

Almost surely, 2^{201112220222101} is an apocalyptic number.

It is an amenable number.

201112220222101 is a deficient number, since it is larger than the sum of its proper divisors (1156875371).

201112220222101 is a wasteful number, since it uses less digits than its factorization.

201112220222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156875370.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201112220222101 its reverse (101222022211102), we get a palindrome (302334242433203).

The spelling of 201112220222101 in words is "two hundred one trillion, one hundred twelve billion, two hundred twenty million, two hundred twenty-two thousand, one hundred one".