201112021221121 has 8 divisors (see below), whose sum is σ = 201902824386144. Its totient is φ = 200321282135040.

The previous prime is 201112021221101. The next prime is 201112021221127. The reversal of 201112021221121 is 121122120211102.

It is a happy number.

201112021221121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 201112021221121 - 2⁷ = 201112021220993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201112021221127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9725535 + ... + 22289236.

It is an arithmetic number, because the mean of its divisors is an integer number (25237853048268).

Almost surely, 2^{201112021221121} is an apocalyptic number.

It is an amenable number.

201112021221121 is a deficient number, since it is larger than the sum of its proper divisors (790803165023).

201112021221121 is a wasteful number, since it uses less digits than its factorization.

201112021221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32039471.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 201112021221121 its reverse (121122120211102), we get a palindrome (322234141432223).

The spelling of 201112021221121 in words is "two hundred one trillion, one hundred twelve billion, twenty-one million, two hundred twenty-one thousand, one hundred twenty-one".