222000021112121 has 8 divisors (see below), whose sum is σ = 254514670443840. Its totient is φ = 189685461930768.

The previous prime is 222000021112097. The next prime is 222000021112153. The reversal of 222000021112121 is 121211120000222.

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

It is a cyclic number.

It is not a de Polignac number, because 222000021112121 - 2¹⁴ = 222000021095737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222000021112121.

It is not an unprimeable number, because it can be changed into a prime (222000021112621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50022535211 + ... + 50022539648.

It is an arithmetic number, because the mean of its divisors is an integer number (31814333805480).

Almost surely, 2^{222000021112121} is an apocalyptic number.

It is an amenable number.

222000021112121 is a deficient number, since it is larger than the sum of its proper divisors (32514649331719).

222000021112121 is a wasteful number, since it uses less digits than its factorization.

222000021112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100045075183.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222000021112121 its reverse (121211120000222), we get a palindrome (343211141112343).

The spelling of 222000021112121 in words is "two hundred twenty-two trillion, twenty-one million, one hundred twelve thousand, one hundred twenty-one".