222112112002121 has 8 divisors (see below), whose sum is σ = 245026640412000. Its totient is φ = 199651336630240.

The previous prime is 222112112002117. The next prime is 222112112002153. The reversal of 222112112002121 is 121200211211222.

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

It is not a de Polignac number, because 222112112002121 - 2² = 222112112002117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222112112002093 and 222112112002102.

It is not an unprimeable number, because it can be changed into a prime (222112112002421) 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, 113438258471 + ... + 113438260428.

It is an arithmetic number, because the mean of its divisors is an integer number (30628330051500).

Almost surely, 2^{222112112002121} is an apocalyptic number.

It is an amenable number.

222112112002121 is a deficient number, since it is larger than the sum of its proper divisors (22914528409879).

222112112002121 is a wasteful number, since it uses less digits than its factorization.

222112112002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226876518999.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222112112002121 its reverse (121200211211222), we get a palindrome (343312323213343).

The spelling of 222112112002121 in words is "two hundred twenty-two trillion, one hundred twelve billion, one hundred twelve million, two thousand, one hundred twenty-one".