121000211122223 has 8 divisors (see below), whose sum is σ = 121018190695920. Its totient is φ = 120982232332480.

The previous prime is 121000211122201. The next prime is 121000211122267. The reversal of 121000211122223 is 322221112000121.

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 121000211122223 - 2¹⁶ = 121000211056687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121000211122195 and 121000211122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000211122283) 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, 355536083 + ... + 355876251.

It is an arithmetic number, because the mean of its divisors is an integer number (15127273836990).

Almost surely, 2^{121000211122223} is an apocalyptic number.

121000211122223 is a deficient number, since it is larger than the sum of its proper divisors (17979573697).

121000211122223 is an equidigital number, since it uses as much as digits as its factorization.

121000211122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391977.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 121000211122223 its reverse (322221112000121), we get a palindrome (443221323122344).

The spelling of 121000211122223 in words is "one hundred twenty-one trillion, two hundred eleven million, one hundred twenty-two thousand, two hundred twenty-three".