121003012121003 has 8 divisors (see below), whose sum is σ = 121028406373248. Its totient is φ = 120977620392384.

The previous prime is 121003012120999. The next prime is 121003012121009. The reversal of 121003012121003 is 300121210300121.

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 121003012121003 - 2² = 121003012120999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121003012121009) 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, 96849401 + ... + 98090837.

It is an arithmetic number, because the mean of its divisors is an integer number (15128550796656).

Almost surely, 2^{121003012121003} is an apocalyptic number.

121003012121003 is a deficient number, since it is larger than the sum of its proper divisors (25394252245).

121003012121003 is a wasteful number, since it uses less digits than its factorization.

121003012121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261813.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121003012121003 its reverse (300121210300121), we get a palindrome (421124222421124).

The spelling of 121003012121003 in words is "one hundred twenty-one trillion, three billion, twelve million, one hundred twenty-one thousand, three".