201112221020111 has 16 divisors (see below), whose sum is σ = 204466705531200. Its totient is φ = 197772298752000.

The previous prime is 201112221020021. The next prime is 201112221020173. The reversal of 201112221020111 is 111020122211102.

It is a cyclic number.

It is not a de Polignac number, because 201112221020111 - 2²⁶ = 201112153911247 is a prime.

It is a super-2 number, since 2×201112221020111² (a number of 29 digits) contains 22 as substring.

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 201112221020111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201112221020911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452153435 + ... + 452598003.

It is an arithmetic number, because the mean of its divisors is an integer number (12779169095700).

Almost surely, 2^{201112221020111} is an apocalyptic number.

201112221020111 is a deficient number, since it is larger than the sum of its proper divisors (3354484511089).

201112221020111 is a wasteful number, since it uses less digits than its factorization.

201112221020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460930.

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

Adding to 201112221020111 its reverse (111020122211102), we get a palindrome (312132343231213).

The spelling of 201112221020111 in words is "two hundred one trillion, one hundred twelve billion, two hundred twenty-one million, twenty thousand, one hundred eleven".