201220000201100 has 18 divisors (see below), whose sum is σ = 436647400436604. Its totient is φ = 80488000080400.

The previous prime is 201220000201069. The next prime is 201220000201127. The reversal of 201220000201100 is 1102000022102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1006100000906 + ... + 1006100001105.

Almost surely, 2^{201220000201100} is an apocalyptic number.

201220000201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201220000201100 is an abundant number, since it is smaller than the sum of its proper divisors (235427400235504).

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

201220000201100 is a wasteful number, since it uses less digits than its factorization.

201220000201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012200002025 (or 2012200002018 counting only the distinct ones).

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

Adding to 201220000201100 its reverse (1102000022102), we get a palindrome (202322000223202).

The spelling of 201220000201100 in words is "two hundred one trillion, two hundred twenty billion, two hundred one thousand, one hundred".