222120232121 has 8 divisors (see below), whose sum is σ = 231533596800. Its totient is φ = 212823803920.

The previous prime is 222120232111. The next prime is 222120232133. The reversal of 222120232121 is 121232021222.

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 222120232121 - 2¹⁰ = 222120231097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222120232093 and 222120232102.

It is not an unprimeable number, because it can be changed into a prime (222120232111) 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, 29230241 + ... + 29237838.

It is an arithmetic number, because the mean of its divisors is an integer number (28941699600).

Almost surely, 2^222120232121 is an apocalyptic number.

It is an amenable number.

222120232121 is a deficient number, since it is larger than the sum of its proper divisors (9413364679).

222120232121 is a wasteful number, since it uses less digits than its factorization.

222120232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58468239.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222120232121 its reverse (121232021222), we get a palindrome (343352253343).

The spelling of 222120232121 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred thirty-two thousand, one hundred twenty-one".