121321113033 has 8 divisors (see below), whose sum is σ = 161822605888. Its totient is φ = 80850181104.

The previous prime is 121321112993. The next prime is 121321113047. The reversal of 121321113033 is 330311123121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121321113033 - 2²⁶ = 121254004169 is a prime.

It is a super-3 number, since 3×121321113033³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121321113733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7630966 + ... + 7646847.

It is an arithmetic number, because the mean of its divisors is an integer number (20227825736).

Almost surely, 2^121321113033 is an apocalyptic number.

It is an amenable number.

121321113033 is a deficient number, since it is larger than the sum of its proper divisors (40501492855).

121321113033 is a wasteful number, since it uses less digits than its factorization.

121321113033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15280463.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121321113033 its reverse (330311123121), we get a palindrome (451632236154).

The spelling of 121321113033 in words is "one hundred twenty-one billion, three hundred twenty-one million, one hundred thirteen thousand, thirty-three".