121003210013203 has 8 divisors (see below), whose sum is σ = 138385483914240. Its totient is φ = 103644961372680.

The previous prime is 121003210013141. The next prime is 121003210013219. The reversal of 121003210013203 is 302310012300121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121003210013203 - 2⁴⁵ = 85818837924371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121003210017203) 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, 6006304333 + ... + 6006324478.

It is an arithmetic number, because the mean of its divisors is an integer number (17298185489280).

Almost surely, 2^{121003210013203} is an apocalyptic number.

121003210013203 is a deficient number, since it is larger than the sum of its proper divisors (17382273901037).

121003210013203 is a wasteful number, since it uses less digits than its factorization.

121003210013203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12012630257.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121003210013203 its reverse (302310012300121), we get a palindrome (423313222313324).

The spelling of 121003210013203 in words is "one hundred twenty-one trillion, three billion, two hundred ten million, thirteen thousand, two hundred three".