201112220100220 has 48 divisors (see below), whose sum is σ = 496170568198368. Its totient is φ = 67506199752960.

The previous prime is 201112220100151. The next prime is 201112220100221. The reversal of 201112220100220 is 22001022211102.

It is a happy number.

201112220100220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201112220100220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201112220100194 and 201112220100203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201112220100221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35159476179 + ... + 35159481898.

It is an arithmetic number, because the mean of its divisors is an integer number (10336886837466).

Almost surely, 2^{201112220100220} is an apocalyptic number.

201112220100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201112220100220 is an abundant number, since it is smaller than the sum of its proper divisors (295058348098148).

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

201112220100220 is a wasteful number, since it uses less digits than its factorization.

201112220100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70318958110 (or 70318958108 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201112220100220 its reverse (22001022211102), we get a palindrome (223113242311322).

The spelling of 201112220100220 in words is "two hundred one trillion, one hundred twelve billion, two hundred twenty million, one hundred thousand, two hundred twenty".