222001010121121 has 8 divisors (see below), whose sum is σ = 276780480151104. Its totient is φ = 172987800094320.

The previous prime is 222001010121103. The next prime is 222001010121139. The reversal of 222001010121121 is 121121010100222.

It is an interprime number because it is at equal distance from previous prime (222001010121103) and next prime (222001010121139).

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 222001010121121 - 2⁵ = 222001010121089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222001010121095 and 222001010121104.

It is not an unprimeable number, because it can be changed into a prime (222001010121161) 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, 1441565000710 + ... + 1441565000863.

It is an arithmetic number, because the mean of its divisors is an integer number (34597560018888).

Almost surely, 2^{222001010121121} is an apocalyptic number.

It is an amenable number.

222001010121121 is a deficient number, since it is larger than the sum of its proper divisors (54779470029983).

222001010121121 is a wasteful number, since it uses less digits than its factorization.

222001010121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883130001591.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222001010121121 its reverse (121121010100222), we get a palindrome (343122020221343).

The spelling of 222001010121121 in words is "two hundred twenty-two trillion, one billion, ten million, one hundred twenty-one thousand, one hundred twenty-one".