121220111100233 has 16 divisors (see below), whose sum is σ = 121503992150016. Its totient is φ = 120936601392960.

The previous prime is 121220111100223. The next prime is 121220111100293. The reversal of 121220111100233 is 332001111022121.

It is a cyclic number.

It is not a de Polignac number, because 121220111100233 - 2⁶ = 121220111100169 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 (121220111100223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7510066343 + ... + 7510082483.

It is an arithmetic number, because the mean of its divisors is an integer number (7593999509376).

Almost surely, 2^{121220111100233} is an apocalyptic number.

It is an amenable number.

121220111100233 is a deficient number, since it is larger than the sum of its proper divisors (283881049783).

121220111100233 is a wasteful number, since it uses less digits than its factorization.

121220111100233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26584.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121220111100233 its reverse (332001111022121), we get a palindrome (453221222122354).

The spelling of 121220111100233 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred eleven million, one hundred thousand, two hundred thirty-three".