121011033203 has 4 divisors (see below), whose sum is σ = 121043822328. Its totient is φ = 120978244080.

The previous prime is 121011033119. The next prime is 121011033217. The reversal of 121011033203 is 302330110121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121011033203 - 2¹⁰ = 121011032179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121011033223) 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 3 ways as a sum of consecutive naturals, for example, 16389026 + ... + 16396407.

It is an arithmetic number, because the mean of its divisors is an integer number (30260955582).

Almost surely, 2^121011033203 is an apocalyptic number.

121011033203 is a deficient number, since it is larger than the sum of its proper divisors (32789125).

121011033203 is an equidigital number, since it uses as much as digits as its factorization.

121011033203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32789124.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 121011033203 its reverse (302330110121), we get a palindrome (423341143324).

The spelling of 121011033203 in words is "one hundred twenty-one billion, eleven million, thirty-three thousand, two hundred three".