1220331201022 has 16 divisors (see below), whose sum is σ = 1844633682144. Its totient is φ = 605471328000.

The previous prime is 1220331200999. The next prime is 1220331201029. The reversal of 1220331201022 is 2201021330221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220331201029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4369554 + ... + 4640437.

It is an arithmetic number, because the mean of its divisors is an integer number (115289605134).

Almost surely, 2^{1220331201022} is an apocalyptic number.

1220331201022 is a deficient number, since it is larger than the sum of its proper divisors (624302481122).

1220331201022 is a wasteful number, since it uses less digits than its factorization.

1220331201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010515.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1220331201022 its reverse (2201021330221), we get a palindrome (3421352531243).

The spelling of 1220331201022 in words is "one trillion, two hundred twenty billion, three hundred thirty-one million, two hundred one thousand, twenty-two".