121301221333 has 4 divisors (see below), whose sum is σ = 127685496160. Its totient is φ = 114916946508.

The previous prime is 121301221331. The next prime is 121301221343. The reversal of 121301221333 is 333122103121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 333122103121 = 407599 ⋅817279.

It is a cyclic number.

It is not a de Polignac number, because 121301221333 - 2¹ = 121301221331 is a prime.

It is a super-3 number, since 3×121301221333³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121301221331) 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, 3192137385 + ... + 3192137422.

It is an arithmetic number, because the mean of its divisors is an integer number (31921374040).

Almost surely, 2^121301221333 is an apocalyptic number.

It is an amenable number.

121301221333 is a deficient number, since it is larger than the sum of its proper divisors (6384274827).

121301221333 is an equidigital number, since it uses as much as digits as its factorization.

121301221333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6384274826.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121301221333 its reverse (333122103121), we get a palindrome (454423324454).

The spelling of 121301221333 in words is "one hundred twenty-one billion, three hundred one million, two hundred twenty-one thousand, three hundred thirty-three".