201100222101100 has 72 divisors (see below), whose sum is σ = 501312636903008. Its totient is φ = 68591400652800.

The previous prime is 201100222101089. The next prime is 201100222101113. The reversal of 201100222101100 is 1101222001102.

It is a super-2 number, since 2×201100222101100² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 744129231 + ... + 744399430.

Almost surely, 2^{201100222101100} is an apocalyptic number.

201100222101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201100222101100 is an abundant number, since it is smaller than the sum of its proper divisors (300212414801908).

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

201100222101100 is a wasteful number, since it uses less digits than its factorization.

201100222101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488528875 (or 1488528868 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201100222101100 its reverse (1101222001102), we get a palindrome (202201444102202).

The spelling of 201100222101100 in words is "two hundred one trillion, one hundred billion, two hundred twenty-two million, one hundred one thousand, one hundred".