221122002200 has 96 divisors (see below), whose sum is σ = 593836835760. Its totient is φ = 75678105600.

The previous prime is 221122002151. The next prime is 221122002221. The reversal of 221122002200 is 2200221122.

It is a zygodrome in base 10.

It is a congruent number.

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, 2918777 + ... + 2993576.

Almost surely, 2^221122002200 is an apocalyptic number.

221122002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221122002200 is an abundant number, since it is smaller than the sum of its proper divisors (372714833560).

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

221122002200 is a wasteful number, since it uses less digits than its factorization.

221122002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5912397 (or 5912388 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 221122002200 its reverse (2200221122), we get a palindrome (223322223322).

The spelling of 221122002200 in words is "two hundred twenty-one billion, one hundred twenty-two million, two thousand, two hundred".