121023220033 has 8 divisors (see below), whose sum is σ = 121566259880. Its totient is φ = 120480307200.

The previous prime is 121023219959. The next prime is 121023220037. The reversal of 121023220033 is 330022320121.

It can be written as a sum of positive squares in 4 ways, for example, as 113584502529 + 7438717504 = 337023^2 + 86248^2 .

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 121023220033 - 2²¹ = 121021122881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121023220037) 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 7 ways as a sum of consecutive naturals, for example, 2240641 + ... + 2294017.

It is an arithmetic number, because the mean of its divisors is an integer number (15195782485).

Almost surely, 2^121023220033 is an apocalyptic number.

It is an amenable number.

121023220033 is a deficient number, since it is larger than the sum of its proper divisors (543039847).

121023220033 is an equidigital number, since it uses as much as digits as its factorization.

121023220033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63507.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 121023220033 its reverse (330022320121), we get a palindrome (451045540154).

It can be divided in two parts, 121023 and 220033, that added together give a square (341056 = 584²).

The spelling of 121023220033 in words is "one hundred twenty-one billion, twenty-three million, two hundred twenty thousand, thirty-three".