222222120001121 has 8 divisors (see below), whose sum is σ = 222488018309760. Its totient is φ = 221956250189328.

The previous prime is 222222120001099. The next prime is 222222120001163. The reversal of 222222120001121 is 121100021222222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222222120001121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222222120001093 and 222222120001102.

It is not an unprimeable number, because it can be changed into a prime (222222126001121) 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, 8501870 + ... + 22731608.

It is an arithmetic number, because the mean of its divisors is an integer number (27811002288720).

Almost surely, 2^{222222120001121} is an apocalyptic number.

It is an amenable number.

222222120001121 is a deficient number, since it is larger than the sum of its proper divisors (265898308639).

222222120001121 is a wasteful number, since it uses less digits than its factorization.

222222120001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14248423.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222222120001121 its reverse (121100021222222), we get a palindrome (343322141223343).

The spelling of 222222120001121 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one hundred twenty million, one thousand, one hundred twenty-one".