2201111100220 has 12 divisors (see below), whose sum is σ = 4622333310504. Its totient is φ = 880444440080.

The previous prime is 2201111100193. The next prime is 2201111100233. The reversal of 2201111100220 is 220011111022.

2201111100220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2201111100220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55027777486 + ... + 55027777525.

It is an arithmetic number, because the mean of its divisors is an integer number (385194442542).

Almost surely, 2^{2201111100220} is an apocalyptic number.

2201111100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201111100220 is an abundant number, since it is smaller than the sum of its proper divisors (2421222210284).

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

2201111100220 is a wasteful number, since it uses less digits than its factorization.

2201111100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110055555020 (or 110055555018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2201111100220 its reverse (220011111022), we get a palindrome (2421122211242).

It can be divided in two parts, 22011111002 and 20, that added together give a palindrome (22011111022).

The spelling of 2201111100220 in words is "two trillion, two hundred one billion, one hundred eleven million, one hundred thousand, two hundred twenty".