1220220110022 has 32 divisors (see below), whose sum is σ = 2533978533600. Its totient is φ = 391254597888.

The previous prime is 1220220110009. The next prime is 1220220110033. The reversal of 1220220110022 is 2200110220221.

It is a junction number, because it is equal to n+sod(n) for n = 1220220109983 and 1220220110010.

It is a congruent number.

It is an unprimeable number.

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, 12988063 + ... + 13081674.

It is an arithmetic number, because the mean of its divisors is an integer number (79186829175).

Almost surely, 2^{1220220110022} is an apocalyptic number.

1220220110022 is an abundant number, since it is smaller than the sum of its proper divisors (1313758423578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220220110022 is a wasteful number, since it uses less digits than its factorization.

1220220110022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26070040.

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

Adding to 1220220110022 its reverse (2200110220221), we get a palindrome (3420330330243).

The spelling of 1220220110022 in words is "one trillion, two hundred twenty billion, two hundred twenty million, one hundred ten thousand, twenty-two".