222222011120121 has 8 divisors (see below), whose sum is σ = 296473756893984. Its totient is φ = 148059136379840.

The previous prime is 222222011120117. The next prime is 222222011120129. The reversal of 222222011120121 is 121021110222222.

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 222222011120121 - 2² = 222222011120117 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222222011120129) 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, 22217752560 + ... + 22217762561.

It is an arithmetic number, because the mean of its divisors is an integer number (37059219611748).

Almost surely, 2^{222222011120121} is an apocalyptic number.

It is an amenable number.

222222011120121 is a deficient number, since it is larger than the sum of its proper divisors (74251745773863).

222222011120121 is a wasteful number, since it uses less digits than its factorization.

222222011120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44435516791.

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

Adding to 222222011120121 its reverse (121021110222222), we get a palindrome (343243121342343).

The spelling of 222222011120121 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, eleven million, one hundred twenty thousand, one hundred twenty-one".