202220111102220 has 36 divisors (see below), whose sum is σ = 613401003677280. Its totient is φ = 53925362960544.

The previous prime is 202220111102197. The next prime is 202220111102227. The reversal of 202220111102220 is 22201111022202.

It is a happy number.

202220111102220 is a `hidden beast` number, since 202 + 220 + 1 + 11 + 10 + 2 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-4 number, since 4×202220111102220⁴ (a number of 58 digits) contains 4444 as substring.

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 = 202220111102193 and 202220111102202.

It is not an unprimeable number, because it can be changed into a prime (202220111102227) 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 11 ways as a sum of consecutive naturals, for example, 561722530660 + ... + 561722531019.

Almost surely, 2^{202220111102220} is an apocalyptic number.

202220111102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220111102220 is an abundant number, since it is smaller than the sum of its proper divisors (411180892575060).

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

202220111102220 is a wasteful number, since it uses less digits than its factorization.

202220111102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123445061694 (or 1123445061689 counting only the distinct ones).

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

Adding to 202220111102220 its reverse (22201111022202), we get a palindrome (224421222124422).

The spelling of 202220111102220 in words is "two hundred two trillion, two hundred twenty billion, one hundred eleven million, one hundred two thousand, two hundred twenty".