222001122201100 has 72 divisors (see below), whose sum is σ = 538355182656816. Its totient is φ = 78758712960000.

The previous prime is 222001122201077. The next prime is 222001122201137. The reversal of 222001122201100 is 1102221100222.

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, 2461164681 + ... + 2461254880.

It is an arithmetic number, because the mean of its divisors is an integer number (7477155314678).

Almost surely, 2^{222001122201100} is an apocalyptic number.

222001122201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222001122201100 is an abundant number, since it is smaller than the sum of its proper divisors (316354060455716).

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

222001122201100 is a wasteful number, since it uses less digits than its factorization.

222001122201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4922419627 (or 4922419620 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222001122201100 its reverse (1102221100222), we get a palindrome (223103343301322).

It can be divided in two parts, 222001122 and 201100, that added together give a palindrome (222202222).

The spelling of 222001122201100 in words is "two hundred twenty-two trillion, one billion, one hundred twenty-two million, two hundred one thousand, one hundred".