121102223321 has 4 divisors (see below), whose sum is σ = 121111575552. Its totient is φ = 121092871092.

The previous prime is 121102223293. The next prime is 121102223399. The reversal of 121102223321 is 123322201121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123322201121 = 7 ⋅17617457303.

It is a cyclic number.

It is not a de Polignac number, because 121102223321 - 2²⁶ = 121035114457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121102223293 and 121102223302.

It is not an unprimeable number, because it can be changed into a prime (121102223521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4656665 + ... + 4682598.

It is an arithmetic number, because the mean of its divisors is an integer number (30277893888).

Almost surely, 2^121102223321 is an apocalyptic number.

It is an amenable number.

121102223321 is a deficient number, since it is larger than the sum of its proper divisors (9352231).

121102223321 is an equidigital number, since it uses as much as digits as its factorization.

121102223321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9352230.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121102223321 its reverse (123322201121), we get a palindrome (244424424442).

The spelling of 121102223321 in words is "one hundred twenty-one billion, one hundred two million, two hundred twenty-three thousand, three hundred twenty-one".