201101112221 has 8 divisors (see below), whose sum is σ = 205663008000. Its totient is φ = 196589624400.

The previous prime is 201101112169. The next prime is 201101112239. The reversal of 201101112221 is 122211101102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201101112221 - 2¹⁴ = 201101095837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201101112196 and 201101112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101112241) 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 7 ways as a sum of consecutive naturals, for example, 12593921 + ... + 12609878.

It is an arithmetic number, because the mean of its divisors is an integer number (25707876000).

Almost surely, 2^201101112221 is an apocalyptic number.

It is an amenable number.

201101112221 is a deficient number, since it is larger than the sum of its proper divisors (4561895779).

201101112221 is a wasteful number, since it uses less digits than its factorization.

201101112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25203979.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201101112221 its reverse (122211101102), we get a palindrome (323312213323).

The spelling of 201101112221 in words is "two hundred one billion, one hundred one million, one hundred twelve thousand, two hundred twenty-one".