121001231003 has 8 divisors (see below), whose sum is σ = 121449923616. Its totient is φ = 120552667200.

The previous prime is 121001230993. The next prime is 121001231023. The reversal of 121001231003 is 300132100121.

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 121001231003 - 2²⁰ = 121000182427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121001231023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2113250 + ... + 2169752.

It is an arithmetic number, because the mean of its divisors is an integer number (15181240452).

Almost surely, 2^121001231003 is an apocalyptic number.

121001231003 is a deficient number, since it is larger than the sum of its proper divisors (448692613).

121001231003 is an equidigital number, since it uses as much as digits as its factorization.

121001231003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64405.

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

Adding to 121001231003 its reverse (300132100121), we get a palindrome (421133331124).

The spelling of 121001231003 in words is "one hundred twenty-one billion, one million, two hundred thirty-one thousand, three".