2211111200220 has 48 divisors (see below), whose sum is σ = 6667350698400. Its totient is φ = 544273526016.

The previous prime is 2211111200183. The next prime is 2211111200231. The reversal of 2211111200220 is 220021111122.

2211111200220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2211111200220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1417378195 + ... + 1417379754.

It is an arithmetic number, because the mean of its divisors is an integer number (138903139550).

Almost surely, 2^{2211111200220} is an apocalyptic number.

2211111200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211111200220 is an abundant number, since it is smaller than the sum of its proper divisors (4456239498180).

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

2211111200220 is a wasteful number, since it uses less digits than its factorization.

2211111200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834757974 (or 2834757972 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2211111200220 its reverse (220021111122), we get a palindrome (2431132311342).

The spelling of 2211111200220 in words is "two trillion, two hundred eleven billion, one hundred eleven million, two hundred thousand, two hundred twenty".