222110110002121 has 8 divisors (see below), whose sum is σ = 244700967276288. Its totient is φ = 199919090910000.

The previous prime is 222110110002107. The next prime is 222110110002161. The reversal of 222110110002121 is 121200011011222.

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

It is not a de Polignac number, because 222110110002121 - 2¹⁵ = 222110109969353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222110110002095 and 222110110002104.

It is not an unprimeable number, because it can be changed into a prime (222110110002161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99959544345 + ... + 99959546566.

It is an arithmetic number, because the mean of its divisors is an integer number (30587620909536).

Almost surely, 2^{222110110002121} is an apocalyptic number.

It is an amenable number.

222110110002121 is a deficient number, since it is larger than the sum of its proper divisors (22590857274167).

222110110002121 is a wasteful number, since it uses less digits than its factorization.

222110110002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199919091023.

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

Adding to 222110110002121 its reverse (121200011011222), we get a palindrome (343310121013343).

The spelling of 222110110002121 in words is "two hundred twenty-two trillion, one hundred ten billion, one hundred ten million, two thousand, one hundred twenty-one".