222022001221100 has 72 divisors (see below), whose sum is σ = 483797334728400. Its totient is φ = 88438384742400.

The previous prime is 222022001221091. The next prime is 222022001221117. The reversal of 222022001221100 is 1122100220222.

It is a happy 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, 1751741531 + ... + 1751868269.

Almost surely, 2^{222022001221100} is an apocalyptic number.

222022001221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222022001221100 is an abundant number, since it is smaller than the sum of its proper divisors (261775333507300).

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

222022001221100 is a wasteful number, since it uses less digits than its factorization.

222022001221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199683 (or 199676 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222022001221100 its reverse (1122100220222), we get a palindrome (223144101441322).

The spelling of 222022001221100 in words is "two hundred twenty-two trillion, twenty-two billion, one million, two hundred twenty-one thousand, one hundred".