2201112020 has 12 divisors (see below), whose sum is σ = 4622335284. Its totient is φ = 880444800.

The previous prime is 2201112013. The next prime is 2201112041. The reversal of 2201112020 is 202111022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 372181264 + 1828930756 = 19292^2 + 42766^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2201111992 and 2201112010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55027781 + ... + 55027820.

It is an arithmetic number, because the mean of its divisors is an integer number (385194607).

Almost surely, 2^2201112020 is an apocalyptic number.

2201112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201112020 is an abundant number, since it is smaller than the sum of its proper divisors (2421223264).

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

2201112020 is a wasteful number, since it uses less digits than its factorization.

2201112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110055610 (or 110055608 counting only the distinct ones).

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

The square root of 2201112020 is about 46916.0102736795. The cubic root of 2201112020 is about 1300.8105438344.

Adding to 2201112020 its reverse (202111022), we get a palindrome (2403223042).

The spelling of 2201112020 in words is "two billion, two hundred one million, one hundred twelve thousand, twenty".