2211201220000 has 120 divisors (see below), whose sum is σ = 5759880901236. Its totient is φ = 832452096000.

The previous prime is 2211201219979. The next prime is 2211201220009. The reversal of 2211201220000 is 221021122.

It is a happy number.

2211201220000 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 10 ways, for example, as 316955488144 + 1894245731856 = 562988^2 + 1376316^2 .

It is not an unprimeable number, because it can be changed into a prime (2211201220009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2911767 + ... + 3591766.

Almost surely, 2^{2211201220000} is an apocalyptic number.

2211201220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211201220000 is an abundant number, since it is smaller than the sum of its proper divisors (3548679681236).

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

2211201220000 is an equidigital number, since it uses as much as digits as its factorization.

2211201220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6503580 (or 6503557 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2211201220000 its reverse (221021122), we get a palindrome (2211422241122).

The spelling of 2211201220000 in words is "two trillion, two hundred eleven billion, two hundred one million, two hundred twenty thousand".