122232223121 has 4 divisors (see below), whose sum is σ = 123704900592. Its totient is φ = 120759545652.

The previous prime is 122232223111. The next prime is 122232223147. The reversal of 122232223121 is 121322232221.

It is a happy number.

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: 121322232221 = 29 ⋅4183525249.

It is a cyclic number.

It is not a de Polignac number, because 122232223121 - 2²² = 122228028817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122232223111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736338611 + ... + 736338776.

It is an arithmetic number, because the mean of its divisors is an integer number (30926225148).

Almost surely, 2^122232223121 is an apocalyptic number.

It is an amenable number.

122232223121 is a deficient number, since it is larger than the sum of its proper divisors (1472677471).

122232223121 is an equidigital number, since it uses as much as digits as its factorization.

122232223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472677470.

The product of its digits is 1152, while the sum is 23.

Adding to 122232223121 its reverse (121322232221), we get a palindrome (243554455342).

The spelling of 122232223121 in words is "one hundred twenty-two billion, two hundred thirty-two million, two hundred twenty-three thousand, one hundred twenty-one".