222120200122006 has 4 divisors (see below), whose sum is σ = 333180300183012. Its totient is φ = 111060100061002.

The previous prime is 222120200121929. The next prime is 222120200122027. The reversal of 222120200122006 is 600221002021222.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55530050030500 + ... + 55530050030503.

It is an arithmetic number, because the mean of its divisors is an integer number (83295075045753).

Almost surely, 2^{222120200122006} is an apocalyptic number.

222120200122006 is a deficient number, since it is larger than the sum of its proper divisors (111060100061006).

222120200122006 is a wasteful number, since it uses less digits than its factorization.

222120200122006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111060100061005.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 222120200122006 its reverse (600221002021222), we get a palindrome (822341202143228).

The spelling of 222120200122006 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred million, one hundred twenty-two thousand, six".