121333231322021 has 16 divisors (see below), whose sum is σ = 122740203615744. Its totient is φ = 119930702162544.

The previous prime is 121333231321961. The next prime is 121333231322053. The reversal of 121333231322021 is 120223132333121.

It is a cyclic number.

It is not a de Polignac number, because 121333231322021 - 2¹⁸ = 121333231059877 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 (121333231312021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664868630 + ... + 665051096.

It is an arithmetic number, because the mean of its divisors is an integer number (7671262725984).

Almost surely, 2^{121333231322021} is an apocalyptic number.

It is an amenable number.

121333231322021 is a deficient number, since it is larger than the sum of its proper divisors (1406972293723).

121333231322021 is a wasteful number, since it uses less digits than its factorization.

121333231322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194600.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 121333231322021 its reverse (120223132333121), we get a palindrome (241556363655142).

The spelling of 121333231322021 in words is "one hundred twenty-one trillion, three hundred thirty-three billion, two hundred thirty-one million, three hundred twenty-two thousand, twenty-one".