121103133223 has 48 divisors (see below), whose sum is σ = 139612201344. Its totient is φ = 104611507200.

The previous prime is 121103133211. The next prime is 121103133253. The reversal of 121103133223 is 322331301121.

It is not a de Polignac number, because 121103133223 - 2¹⁷ = 121103002151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121103133194 and 121103133203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103133253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29130261 + ... + 29134417.

It is an arithmetic number, because the mean of its divisors is an integer number (2908587528).

Almost surely, 2^121103133223 is an apocalyptic number.

121103133223 is a deficient number, since it is larger than the sum of its proper divisors (18509068121).

121103133223 is a wasteful number, since it uses less digits than its factorization.

121103133223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4360 (or 4341 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121103133223 its reverse (322331301121), we get a palindrome (443434434344).

The spelling of 121103133223 in words is "one hundred twenty-one billion, one hundred three million, one hundred thirty-three thousand, two hundred twenty-three".