1220200222011 has 8 divisors (see below), whose sum is σ = 1626959257920. Its totient is φ = 813454000392.

The previous prime is 1220200222009. The next prime is 1220200222027. The reversal of 1220200222011 is 1102220020221.

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

It is not a de Polignac number, because 1220200222011 - 2¹ = 1220200222009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220200222081) 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, 2979141 + ... + 3363878.

It is an arithmetic number, because the mean of its divisors is an integer number (203369907240).

Almost surely, 2^{1220200222011} is an apocalyptic number.

1220200222011 is a deficient number, since it is larger than the sum of its proper divisors (406759035909).

1220200222011 is an equidigital number, since it uses as much as digits as its factorization.

1220200222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6407145.

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

Adding to 1220200222011 its reverse (1102220020221), we get a palindrome (2322420242232).

The spelling of 1220200222011 in words is "one trillion, two hundred twenty billion, two hundred million, two hundred twenty-two thousand, eleven".