2201022011220 has 96 divisors (see below), whose sum is σ = 6223533109248. Its totient is φ = 581162504832.

The previous prime is 2201022011219. The next prime is 2201022011239. The reversal of 2201022011220 is 221102201022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2201022011220.

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 31 ways as a sum of consecutive naturals, for example, 56756277 + ... + 56795043.

It is an arithmetic number, because the mean of its divisors is an integer number (64828469888).

Almost surely, 2^{2201022011220} is an apocalyptic number.

2201022011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2201022011220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3111766554624).

2201022011220 is an abundant number, since it is smaller than the sum of its proper divisors (4022511098028).

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

2201022011220 is a wasteful number, since it uses less digits than its factorization.

2201022011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48069 (or 48067 counting only the distinct ones).

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

Adding to 2201022011220 its reverse (221102201022), we get a palindrome (2422124212242).

It can be divided in two parts, 220102 and 2011220, that added together give a palindrome (2231322).

The spelling of 2201022011220 in words is "two trillion, two hundred one billion, twenty-two million, eleven thousand, two hundred twenty".