222201211100 has 72 divisors (see below), whose sum is σ = 526148230608. Its totient is φ = 80779340800.

The previous prime is 222201211097. The next prime is 222201211103. The reversal of 222201211100 is 1112102222.

It is an interprime number because it is at equal distance from previous prime (222201211097) and next prime (222201211103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222201211103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4548404 + ... + 4596996.

It is an arithmetic number, because the mean of its divisors is an integer number (7307614314).

Almost surely, 2^222201211100 is an apocalyptic number.

222201211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222201211100 is an abundant number, since it is smaller than the sum of its proper divisors (303947019508).

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

222201211100 is a wasteful number, since it uses less digits than its factorization.

222201211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52775 (or 52768 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222201211100 its reverse (1112102222), we get a palindrome (223313313322).

The spelling of 222201211100 in words is "two hundred twenty-two billion, two hundred one million, two hundred eleven thousand, one hundred".