201020112120222 has 48 divisors (see below), whose sum is σ = 459079325136432. Its totient is φ = 65908233472320.

The previous prime is 201020112120221. The next prime is 201020112120241. The reversal of 201020112120222 is 222021211020102.

It is a happy number.

201020112120222 is a `hidden beast` number, since 20 + 10 + 201 + 1 + 212 + 0 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201020112120195 and 201020112120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201020112120221) 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 23 ways as a sum of consecutive naturals, for example, 3390311583 + ... + 3390370874.

It is an arithmetic number, because the mean of its divisors is an integer number (9564152607009).

Almost surely, 2^{201020112120222} is an apocalyptic number.

201020112120222 is an abundant number, since it is smaller than the sum of its proper divisors (258059213016210).

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

201020112120222 is an equidigital number, since it uses as much as digits as its factorization.

201020112120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6780682535 (or 6780682523 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201020112120222 its reverse (222021211020102), we get a palindrome (423041323140324).

The spelling of 201020112120222 in words is "two hundred one trillion, twenty billion, one hundred twelve million, one hundred twenty thousand, two hundred twenty-two".