1200220220211 has 8 divisors (see below), whose sum is σ = 1600547626704. Its totient is φ = 800019813600.

The previous prime is 1200220220209. The next prime is 1200220220219. The reversal of 1200220220211 is 1120220220021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1200220220211 - 2¹ = 1200220220209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200220220219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31727916 + ... + 31765721.

It is an arithmetic number, because the mean of its divisors is an integer number (200068453338).

Almost surely, 2^{1200220220211} is an apocalyptic number.

1200220220211 is a deficient number, since it is larger than the sum of its proper divisors (400327406493).

1200220220211 is an equidigital number, since it uses as much as digits as its factorization.

1200220220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63499941.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1200220220211 its reverse (1120220220021), we get a palindrome (2320440440232).

The spelling of 1200220220211 in words is "one trillion, two hundred billion, two hundred twenty million, two hundred twenty thousand, two hundred eleven".