121220302100233 has 4 divisors (see below), whose sum is σ = 138537488114560. Its totient is φ = 103903116085908.

The previous prime is 121220302100231. The next prime is 121220302100263. The reversal of 121220302100233 is 332001203022121.

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.

It is a cyclic number.

It is not a de Polignac number, because 121220302100233 - 2¹ = 121220302100231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121220302100231) 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, 8658593007153 + ... + 8658593007166.

It is an arithmetic number, because the mean of its divisors is an integer number (34634372028640).

Almost surely, 2^{121220302100233} is an apocalyptic number.

It is an amenable number.

121220302100233 is a deficient number, since it is larger than the sum of its proper divisors (17317186014327).

121220302100233 is an equidigital number, since it uses as much as digits as its factorization.

121220302100233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17317186014326.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 121220302100233 its reverse (332001203022121), we get a palindrome (453221505122354).

The spelling of 121220302100233 in words is "one hundred twenty-one trillion, two hundred twenty billion, three hundred two million, one hundred thousand, two hundred thirty-three".