121322303203 has 4 divisors (see below), whose sum is σ = 122858028640. Its totient is φ = 119786577768.

The previous prime is 121322303197. The next prime is 121322303281. The reversal of 121322303203 is 302303223121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302303223121 = 506329 ⋅597049.

It is a cyclic number.

It is not a de Polignac number, because 121322303203 - 2¹³ = 121322295011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121322303293) 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, 767862600 + ... + 767862757.

It is an arithmetic number, because the mean of its divisors is an integer number (30714507160).

Almost surely, 2^121322303203 is an apocalyptic number.

121322303203 is a deficient number, since it is larger than the sum of its proper divisors (1535725437).

121322303203 is an equidigital number, since it uses as much as digits as its factorization.

121322303203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535725436.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 121322303203 its reverse (302303223121), we get a palindrome (423625526324).

The spelling of 121322303203 in words is "one hundred twenty-one billion, three hundred twenty-two million, three hundred three thousand, two hundred three".