2201201100 has 108 divisors (see below), whose sum is σ = 7885214064. Its totient is φ = 503130240.

The previous prime is 2201201069. The next prime is 2201201117. The reversal of 2201201100 is 11021022.

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 168399 + ... + 180998.

Almost surely, 2^2201201100 is an apocalyptic number.

2201201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201201100 is an abundant number, since it is smaller than the sum of its proper divisors (5684012964).

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

2201201100 is a wasteful number, since it uses less digits than its factorization.

2201201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349424 (or 349414 counting only the distinct ones).

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

The square root of 2201201100 is about 46916.9596201629. The cubic root of 2201201100 is about 1300.8280917282.

Adding to 2201201100 its reverse (11021022), we get a palindrome (2212222122).

The spelling of 2201201100 in words is "two billion, two hundred one million, two hundred one thousand, one hundred".