121333030213 has 4 divisors (see below), whose sum is σ = 121338951328. Its totient is φ = 121327109100.

The previous prime is 121333030177. The next prime is 121333030229. The reversal of 121333030213 is 312030333121.

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 121333030213 - 2¹⁷ = 121332899141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121333030253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2929713 + ... + 2970838.

It is an arithmetic number, because the mean of its divisors is an integer number (30334737832).

Almost surely, 2^121333030213 is an apocalyptic number.

It is an amenable number.

121333030213 is a deficient number, since it is larger than the sum of its proper divisors (5921115).

121333030213 is an equidigital number, since it uses as much as digits as its factorization.

121333030213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5921114.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 121333030213 its reverse (312030333121), we get a palindrome (433363363334).

The spelling of 121333030213 in words is "one hundred twenty-one billion, three hundred thirty-three million, thirty thousand, two hundred thirteen".