121322203331 has 4 divisors (see below), whose sum is σ = 138653946672. Its totient is φ = 103990459992.

The previous prime is 121322203283. The next prime is 121322203351. The reversal of 121322203331 is 133302223121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133302223121 = 1327 ⋅100453823.

It is a cyclic number.

It is not a de Polignac number, because 121322203331 - 2⁶ = 121322203267 is a prime.

It is a super-2 number, since 2×121322203331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121322203297 and 121322203306.

It is not an unprimeable number, because it can be changed into a prime (121322203351) 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, 8665871660 + ... + 8665871673.

It is an arithmetic number, because the mean of its divisors is an integer number (34663486668).

Almost surely, 2^121322203331 is an apocalyptic number.

121322203331 is a deficient number, since it is larger than the sum of its proper divisors (17331743341).

121322203331 is an equidigital number, since it uses as much as digits as its factorization.

121322203331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17331743340.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 121322203331 its reverse (133302223121), we get a palindrome (254624426452).

The spelling of 121322203331 in words is "one hundred twenty-one billion, three hundred twenty-two million, two hundred three thousand, three hundred thirty-one".