121233313133203 has 4 divisors (see below), whose sum is σ = 121237413454080. Its totient is φ = 121229212812328.

The previous prime is 121233313133147. The next prime is 121233313133221. The reversal of 121233313133203 is 302331313332121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121233313133203 - 2⁴¹ = 119034289877651 is a prime.

It is a super-4 number, since 4×121233313133203⁴ (a number of 57 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121233313133263) 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, 2050116088 + ... + 2050175221.

It is an arithmetic number, because the mean of its divisors is an integer number (30309353363520).

Almost surely, 2^{121233313133203} is an apocalyptic number.

121233313133203 is a deficient number, since it is larger than the sum of its proper divisors (4100320877).

121233313133203 is an equidigital number, since it uses as much as digits as its factorization.

121233313133203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100320876.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 121233313133203 its reverse (302331313332121), we get a palindrome (423564626465324).

The spelling of 121233313133203 in words is "one hundred twenty-one trillion, two hundred thirty-three billion, three hundred thirteen million, one hundred thirty-three thousand, two hundred three".