1220200221201 has 16 divisors (see below), whose sum is σ = 1752673855296. Its totient is φ = 750638949696.

The previous prime is 1220200221173. The next prime is 1220200221203. The reversal of 1220200221201 is 1021220020221.

It is not a de Polignac number, because 1220200221201 - 2⁹ = 1220200220689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220200221203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5164090 + ... + 5395203.

It is an arithmetic number, because the mean of its divisors is an integer number (109542115956).

Almost surely, 2^{1220200221201} is an apocalyptic number.

It is an amenable number.

1220200221201 is a deficient number, since it is larger than the sum of its proper divisors (532473634095).

1220200221201 is a wasteful number, since it uses less digits than its factorization.

1220200221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10562272.

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

Adding to 1220200221201 its reverse (1021220020221), we get a palindrome (2241420241422).

The spelling of 1220200221201 in words is "one trillion, two hundred twenty billion, two hundred million, two hundred twenty-one thousand, two hundred one".