2201021120 has 56 divisors (see below), whose sum is σ = 5421934800. Its totient is φ = 850045952.

The previous prime is 2201021107. The next prime is 2201021129. The reversal of 2201021120 is 211201022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2201021129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109310 + ... + 127869.

Almost surely, 2^2201021120 is an apocalyptic number.

2201021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201021120 is an abundant number, since it is smaller than the sum of its proper divisors (3220913680).

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

2201021120 is a wasteful number, since it uses less digits than its factorization.

2201021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237225 (or 237215 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2201021120 is about 46915.0415112254. The cubic root of 2201021120 is about 1300.7926369302.

Adding to 2201021120 its reverse (211201022), we get a palindrome (2412222142).

The spelling of 2201021120 in words is "two billion, two hundred one million, twenty-one thousand, one hundred twenty".