220211201121220 has 24 divisors (see below), whose sum is σ = 467210981352024. Its totient is φ = 87176393020416.

The previous prime is 220211201121217. The next prime is 220211201121313. The reversal of 220211201121220 is 22121102112022.

220211201121220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 34850981654784 + 185360219466436 = 5903472^2 + 13614706^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56755462267 + ... + 56755466146.

It is an arithmetic number, because the mean of its divisors is an integer number (19467124223001).

Almost surely, 2^{220211201121220} is an apocalyptic number.

220211201121220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220211201121220 is an abundant number, since it is smaller than the sum of its proper divisors (246999780230804).

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

220211201121220 is a wasteful number, since it uses less digits than its factorization.

220211201121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113510928519 (or 113510928517 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220211201121220 its reverse (22121102112022), we get a palindrome (242332303233242).

The spelling of 220211201121220 in words is "two hundred twenty trillion, two hundred eleven billion, two hundred one million, one hundred twenty-one thousand, two hundred twenty".