1220200212211 has 8 divisors (see below), whose sum is σ = 1242799511040. Its totient is φ = 1197664844808.

The previous prime is 1220200212193. The next prime is 1220200212233. The reversal of 1220200212211 is 1122120020221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1220200212211 - 2²⁵ = 1220166657779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220200215211) 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, 15944331 + ... + 16020676.

It is an arithmetic number, because the mean of its divisors is an integer number (155349938880).

Almost surely, 2^{1220200212211} is an apocalyptic number.

1220200212211 is a deficient number, since it is larger than the sum of its proper divisors (22599298829).

1220200212211 is an equidigital number, since it uses as much as digits as its factorization.

1220200212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31965713.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1220200212211 its reverse (1122120020221), we get a palindrome (2342320232432).

The spelling of 1220200212211 in words is "one trillion, two hundred twenty billion, two hundred million, two hundred twelve thousand, two hundred eleven".