222201121022200 has 48 divisors (see below), whose sum is σ = 517242295523880. Its totient is φ = 88772975007360.

The previous prime is 222201121022189. The next prime is 222201121022317. The reversal of 222201121022200 is 2220121102222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 671542947 + ... + 671873746.

Almost surely, 2^{222201121022200} is an apocalyptic number.

222201121022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222201121022200 is an abundant number, since it is smaller than the sum of its proper divisors (295041174501680).

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

222201121022200 is a wasteful number, since it uses less digits than its factorization.

222201121022200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343417536 (or 1343417527 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222201121022200 its reverse (2220121102222), we get a palindrome (224421242124422).

The spelling of 222201121022200 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred twenty-one million, twenty-two thousand, two hundred".