121221002333 has 8 divisors (see below), whose sum is σ = 124291269816. Its totient is φ = 118156147200.

The previous prime is 121221002321. The next prime is 121221002339. The reversal of 121221002333 is 333200122121.

It can be written as a sum of positive squares in 4 ways, for example, as 29219799844 + 92001202489 = 170938^2 + 303317^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 121221002333 - 2⁴ = 121221002317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121221002339) 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, 1307708 + ... + 1397333.

It is an arithmetic number, because the mean of its divisors is an integer number (15536408727).

Almost surely, 2^121221002333 is an apocalyptic number.

It is an amenable number.

121221002333 is a deficient number, since it is larger than the sum of its proper divisors (3070267483).

121221002333 is a wasteful number, since it uses less digits than its factorization.

121221002333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706175.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121221002333 its reverse (333200122121), we get a palindrome (454421124454).

The spelling of 121221002333 in words is "one hundred twenty-one billion, two hundred twenty-one million, two thousand, three hundred thirty-three".