201122222101100 has 18 divisors (see below), whose sum is σ = 436435221959604. Its totient is φ = 80448888840400.

The previous prime is 201122222101079. The next prime is 201122222101211. The reversal of 201122222101100 is 1101222221102.

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, 1005611110406 + ... + 1005611110605.

It is an arithmetic number, because the mean of its divisors is an integer number (24246401219978).

Almost surely, 2^{201122222101100} is an apocalyptic number.

201122222101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201122222101100 is an abundant number, since it is smaller than the sum of its proper divisors (235312999858504).

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

201122222101100 is a wasteful number, since it uses less digits than its factorization.

201122222101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011222221025 (or 2011222221018 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201122222101100 its reverse (1101222221102), we get a palindrome (202223444322202).

The spelling of 201122222101100 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred one thousand, one hundred".