121011003223 has 16 divisors (see below), whose sum is σ = 133183975680. Its totient is φ = 109036008000.

The previous prime is 121011003193. The next prime is 121011003233. The reversal of 121011003223 is 322300110121.

It is a cyclic number.

It is not a de Polignac number, because 121011003223 - 2²⁵ = 120977448791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121011003197 and 121011003206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011003233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 853086 + ... + 984772.

It is an arithmetic number, because the mean of its divisors is an integer number (8323998480).

Almost surely, 2^121011003223 is an apocalyptic number.

121011003223 is a deficient number, since it is larger than the sum of its proper divisors (12172972457).

121011003223 is a wasteful number, since it uses less digits than its factorization.

121011003223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132438.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121011003223 its reverse (322300110121), we get a palindrome (443311113344).

The spelling of 121011003223 in words is "one hundred twenty-one billion, eleven million, three thousand, two hundred twenty-three".