201112120011220 has 24 divisors (see below), whose sum is σ = 460729584026208. Its totient is φ = 73131680004000.

The previous prime is 201112120011203. The next prime is 201112120011241. The reversal of 201112120011220 is 22110021211102.

It is a junction number, because it is equal to n+sod(n) for n = 201112120011194 and 201112120011203.

It is a congruent number.

It is an unprimeable number.

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, 457072999806 + ... + 457073000245.

It is an arithmetic number, because the mean of its divisors is an integer number (19197066001092).

Almost surely, 2^{201112120011220} is an apocalyptic number.

201112120011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201112120011220 is an abundant number, since it is smaller than the sum of its proper divisors (259617464014988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201112120011220 is a wasteful number, since it uses less digits than its factorization.

201112120011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914146000071 (or 914146000069 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201112120011220 its reverse (22110021211102), we get a palindrome (223222141222322).

The spelling of 201112120011220 in words is "two hundred one trillion, one hundred twelve billion, one hundred twenty million, eleven thousand, two hundred twenty".