121033331 has 8 divisors (see below), whose sum is σ = 125075328. Its totient is φ = 117000000.

The previous prime is 121033321. The next prime is 121033349. The reversal of 121033331 is 133330121.

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 121033331 - 2¹⁸ = 120771187 is a prime.

It is a super-2 number, since 2×121033331² = 29298134425911122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121033321) 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, 38831 + ... + 41831.

It is an arithmetic number, because the mean of its divisors is an integer number (15634416).

Almost surely, 2^121033331 is an apocalyptic number.

121033331 is a deficient number, since it is larger than the sum of its proper divisors (4041997).

121033331 is a wasteful number, since it uses less digits than its factorization.

121033331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 121033331 is about 11001.5149411342. The cubic root of 121033331 is about 494.6541555936.

Adding to 121033331 its reverse (133330121), we get a palindrome (254363452).

The spelling of 121033331 in words is "one hundred twenty-one million, thirty-three thousand, three hundred thirty-one".