121101312233 has 16 divisors (see below), whose sum is σ = 136696238592. Its totient is φ = 106287552000.

The previous prime is 121101312221. The next prime is 121101312247. The reversal of 121101312233 is 332213101121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121101312233 - 2⁸ = 121101311977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121101312133) 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 15 ways as a sum of consecutive naturals, for example, 278216 + ... + 565337.

It is an arithmetic number, because the mean of its divisors is an integer number (8543514912).

Almost surely, 2^121101312233 is an apocalyptic number.

It is an amenable number.

121101312233 is a deficient number, since it is larger than the sum of its proper divisors (15594926359).

121101312233 is a wasteful number, since it uses less digits than its factorization.

121101312233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844016.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121101312233 its reverse (332213101121), we get a palindrome (453314413354).

It can be divided in two parts, 121101 and 312233, that added together give a palindrome (433334).

The spelling of 121101312233 in words is "one hundred twenty-one billion, one hundred one million, three hundred twelve thousand, two hundred thirty-three".