2201211120 has 40 divisors (see below), whose sum is σ = 6823755216. Its totient is φ = 586989568.

The previous prime is 2201211109. The next prime is 2201211137. The reversal of 2201211120 is 211121022.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2201211096 and 2201211105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4585617 + ... + 4586096.

Almost surely, 2^2201211120 is an apocalyptic number.

2201211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201211120 is an abundant number, since it is smaller than the sum of its proper divisors (4622544096).

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

2201211120 is a wasteful number, since it uses less digits than its factorization.

2201211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9171729 (or 9171723 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2201211120 is about 46917.0664044546. The cubic root of 2201211120 is about 1300.8300655412.

Adding to 2201211120 its reverse (211121022), we get a palindrome (2412332142).

The spelling of 2201211120 in words is "two billion, two hundred one million, two hundred eleven thousand, one hundred twenty".