221102211120 has 160 divisors (see below), whose sum is σ = 824561748480. Its totient is φ = 47877765120.

The previous prime is 221102211097. The next prime is 221102211199. The reversal of 221102211120 is 21112201122.

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 221102211120.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3431461 + ... + 3495300.

It is an arithmetic number, because the mean of its divisors is an integer number (5153510928).

Almost surely, 2^221102211120 is an apocalyptic number.

221102211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221102211120 is an abundant number, since it is smaller than the sum of its proper divisors (603459537360).

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

221102211120 is a wasteful number, since it uses less digits than its factorization.

221102211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6926803 (or 6926797 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221102211120 its reverse (21112201122), we get a palindrome (242214412242).

The spelling of 221102211120 in words is "two hundred twenty-one billion, one hundred two million, two hundred eleven thousand, one hundred twenty".