2201161100 has 36 divisors (see below), whose sum is σ = 4785126024. Its totient is φ = 878878080.

The previous prime is 2201161097. The next prime is 2201161147. The reversal of 2201161100 is 11611022.

It is a super-2 number, since 2×2201161100² = 9690220376306420000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36752 + ... + 75848.

Almost surely, 2^2201161100 is an apocalyptic number.

2201161100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201161100 is an abundant number, since it is smaller than the sum of its proper divisors (2583964924).

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

2201161100 is a wasteful number, since it uses less digits than its factorization.

2201161100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39674 (or 39667 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2201161100 is about 46916.5333331439. The cubic root of 2201161100 is about 1300.8202121757.

Adding to 2201161100 its reverse (11611022), we get a palindrome (2212772122).

It can be divided in two parts, 2 and 201161100, that added together give a palindrome (201161102).

The spelling of 2201161100 in words is "two billion, two hundred one million, one hundred sixty-one thousand, one hundred".