222122000022121 has 8 divisors (see below), whose sum is σ = 225251139859200. Its totient is φ = 218992878545280.

The previous prime is 222122000022107. The next prime is 222122000022157. The reversal of 222122000022121 is 121220000221222.

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 222122000022121 - 2⁷ = 222122000021993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222122000022421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20755225 + ... + 29580793.

It is an arithmetic number, because the mean of its divisors is an integer number (28156392482400).

Almost surely, 2^{222122000022121} is an apocalyptic number.

It is an amenable number.

222122000022121 is a deficient number, since it is larger than the sum of its proper divisors (3129139837079).

222122000022121 is an equidigital number, since it uses as much as digits as its factorization.

222122000022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9180119.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222122000022121 its reverse (121220000221222), we get a palindrome (343342000243343).

The spelling of 222122000022121 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, twenty-two thousand, one hundred twenty-one".