222001211112100 has 144 divisors (see below), whose sum is σ = 583707147851520. Its totient is φ = 71544206131200.

The previous prime is 222001211112077. The next prime is 222001211112167. The reversal of 222001211112100 is 1211112100222.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2978656 + ... + 21280855.

It is an arithmetic number, because the mean of its divisors is an integer number (4053521860080).

Almost surely, 2^{222001211112100} is an apocalyptic number.

222001211112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222001211112100 is an abundant number, since it is smaller than the sum of its proper divisors (361705936739420).

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

222001211112100 is a wasteful number, since it uses less digits than its factorization.

222001211112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24260318 (or 24260311 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222001211112100 its reverse (1211112100222), we get a palindrome (223212323212322).

The spelling of 222001211112100 in words is "two hundred twenty-two trillion, one billion, two hundred eleven million, one hundred twelve thousand, one hundred".