121220310201233 has 4 divisors (see below), whose sum is σ = 121222908809700. Its totient is φ = 121217711592768.

The previous prime is 121220310201131. The next prime is 121220310201251. The reversal of 121220310201233 is 332102013022121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 93536422844929 + 27683887356304 = 9671423^2 + 5261548^2 .

It is a cyclic number.

It is not a de Polignac number, because 121220310201233 - 2³⁶ = 121151590724497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121220310201199 and 121220310201208.

It is not an unprimeable number, because it can be changed into a prime (121220310207233) 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, 1299234260 + ... + 1299327557.

It is an arithmetic number, because the mean of its divisors is an integer number (30305727202425).

Almost surely, 2^{121220310201233} is an apocalyptic number.

It is an amenable number.

121220310201233 is a deficient number, since it is larger than the sum of its proper divisors (2598608467).

121220310201233 is an equidigital number, since it uses as much as digits as its factorization.

121220310201233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598608466.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121220310201233 its reverse (332102013022121), we get a palindrome (453322323223354).

The spelling of 121220310201233 in words is "one hundred twenty-one trillion, two hundred twenty billion, three hundred ten million, two hundred one thousand, two hundred thirty-three".