121001020331 has 8 divisors (see below), whose sum is σ = 124138291200. Its totient is φ = 117878444712.

The previous prime is 121001020319. The next prime is 121001020397. The reversal of 121001020331 is 133020100121.

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 121001020331 - 2⁶ = 121001020267 is a prime.

It is a super-2 number, since 2×121001020331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121001010331) 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, 3657131 + ... + 3690068.

It is an arithmetic number, because the mean of its divisors is an integer number (15517286400).

Almost surely, 2^121001020331 is an apocalyptic number.

121001020331 is a deficient number, since it is larger than the sum of its proper divisors (3137270869).

121001020331 is an equidigital number, since it uses as much as digits as its factorization.

121001020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7347625.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121001020331 its reverse (133020100121), we get a palindrome (254021120452).

The spelling of 121001020331 in words is "one hundred twenty-one billion, one million, twenty thousand, three hundred thirty-one".