201111011202221 has 8 divisors (see below), whose sum is σ = 208048372538400. Its totient is φ = 194173816458160.

The previous prime is 201111011202209. The next prime is 201111011202247. The reversal of 201111011202221 is 122202110111102.

201111011202221 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 201111011202221 - 2²² = 201111007007917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201111011202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201111011202281) 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, 39189515 + ... + 44023176.

It is an arithmetic number, because the mean of its divisors is an integer number (26006046567300).

Almost surely, 2^{201111011202221} is an apocalyptic number.

It is an amenable number.

201111011202221 is a deficient number, since it is larger than the sum of its proper divisors (6937361336179).

201111011202221 is an equidigital number, since it uses as much as digits as its factorization.

201111011202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83296059.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201111011202221 its reverse (122202110111102), we get a palindrome (323313121313323).

The spelling of 201111011202221 in words is "two hundred one trillion, one hundred eleven billion, eleven million, two hundred two thousand, two hundred twenty-one".