222101212222000 has 80 divisors (see below), whose sum is σ = 545056264782432. Its totient is φ = 87514507449600.

The previous prime is 222101212221937. The next prime is 222101212222031. The reversal of 222101212222000 is 222212101222.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 828601867 + ... + 828869866.

Almost surely, 2^{222101212222000} is an apocalyptic number.

222101212222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222101212222000 is an abundant number, since it is smaller than the sum of its proper divisors (322955052560432).

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

222101212222000 is a wasteful number, since it uses less digits than its factorization.

222101212222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657471823 (or 1657471807 counting only the distinct ones).

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

Adding to 222101212222000 its reverse (222212101222), we get a palindrome (222323424323222).

The spelling of 222101212222000 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred twelve million, two hundred twenty-two thousand".