121011030203 has 8 divisors (see below), whose sum is σ = 138690103008. Its totient is φ = 103429903104.

The previous prime is 121011030169. The next prime is 121011030209. The reversal of 121011030203 is 302030110121.

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 121011030203 - 2¹⁰ = 121011029179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121011030209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24483776 + ... + 24488717.

It is an arithmetic number, because the mean of its divisors is an integer number (17336262876).

Almost surely, 2^121011030203 is an apocalyptic number.

121011030203 is a deficient number, since it is larger than the sum of its proper divisors (17679072805).

121011030203 is an equidigital number, since it uses as much as digits as its factorization.

121011030203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48972853.

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

Adding to 121011030203 its reverse (302030110121), we get a palindrome (423041140324).

The spelling of 121011030203 in words is "one hundred twenty-one billion, eleven million, thirty thousand, two hundred three".