121002331 has 8 divisors (see below), whose sum is σ = 125411328. Its totient is φ = 116625000.

The previous prime is 121002293. The next prime is 121002337. The reversal of 121002331 is 133200121.

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 121002331 - 2¹¹ = 121000283 is a prime.

It is a super-2 number, since 2×121002331² = 29283128214867122, which contains 22 as substring.

It is a Duffinian number.

121002331 is a modest number, since divided by 2331 gives 121 as remainder.

It is not an unprimeable number, because it can be changed into a prime (121002337) 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, 6 + ... + 15556.

It is an arithmetic number, because the mean of its divisors is an integer number (15676416).

Almost surely, 2^121002331 is an apocalyptic number.

121002331 is a deficient number, since it is larger than the sum of its proper divisors (4408997).

121002331 is a wasteful number, since it uses less digits than its factorization.

121002331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15833.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 121002331 is about 11000.1059540352. The cubic root of 121002331 is about 494.6119204284.

Adding to 121002331 its reverse (133200121), we get a palindrome (254202452).

The spelling of 121002331 in words is "one hundred twenty-one million, two thousand, three hundred thirty-one".