2201100012 has 36 divisors (see below), whose sum is σ = 5581810416. Its totient is φ = 731337120.

The previous prime is 2201099981. The next prime is 2201100061. The reversal of 2201100012 is 2100011022.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2201099967 and 2201100003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87103 + ... + 109494.

Almost surely, 2^2201100012 is an apocalyptic number.

It is an amenable number.

2201100012 is an abundant number, since it is smaller than the sum of its proper divisors (3380710404).

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

2201100012 is a wasteful number, since it uses less digits than its factorization.

2201100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196918 (or 196913 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2201100012 is about 46915.8823001337. The cubic root of 2201100012 is about 1300.8081783389.

Adding to 2201100012 its reverse (2100011022), we get a palindrome (4301111034).

The spelling of 2201100012 in words is "two billion, two hundred one million, one hundred thousand, twelve".