222121020112122 has 8 divisors (see below), whose sum is σ = 444242040224256. Its totient is φ = 74040340037372.

The previous prime is 222121020112109. The next prime is 222121020112139. The reversal of 222121020112122 is 221211020121222.

It is a sphenic number, since it is the product of 3 distinct primes.

222121020112122 is an admirable 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 in 3 ways as a sum of consecutive naturals, for example, 18510085009338 + ... + 18510085009349.

It is an arithmetic number, because the mean of its divisors is an integer number (55530255028032).

Almost surely, 2^{222121020112122} is an apocalyptic number.

222121020112122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

222121020112122 is a wasteful number, since it uses less digits than its factorization.

222121020112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37020170018692.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222121020112122 its reverse (221211020121222), we get a palindrome (443332040233344).

The spelling of 222121020112122 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, twenty million, one hundred twelve thousand, one hundred twenty-two".