121031322233 has 4 divisors (see below), whose sum is σ = 122391224820. Its totient is φ = 119671419648.

The previous prime is 121031322221. The next prime is 121031322263. The reversal of 121031322233 is 332223130121.

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 27547036729 + 93484285504 = 165973^2 + 305752^2 .

It is a cyclic number.

It is not a de Polignac number, because 121031322233 - 2²⁴ = 121014545017 is a prime.

It is a super-2 number, since 2×121031322233² (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 = 121031322199 and 121031322208.

It is not an unprimeable number, because it can be changed into a prime (121031322263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679951160 + ... + 679951337.

It is an arithmetic number, because the mean of its divisors is an integer number (30597806205).

Almost surely, 2^121031322233 is an apocalyptic number.

It is an amenable number.

121031322233 is a deficient number, since it is larger than the sum of its proper divisors (1359902587).

121031322233 is an equidigital number, since it uses as much as digits as its factorization.

121031322233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359902586.

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

Adding to 121031322233 its reverse (332223130121), we get a palindrome (453254452354).

The spelling of 121031322233 in words is "one hundred twenty-one billion, thirty-one million, three hundred twenty-two thousand, two hundred thirty-three".