121110202023 has 16 divisors (see below), whose sum is σ = 165383271936. Its totient is φ = 78798368000.

The previous prime is 121110202009. The next prime is 121110202091. The reversal of 121110202023 is 320202011121.

It is a cyclic number.

It is not a de Polignac number, because 121110202023 - 2⁵ = 121110201991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121110201993 and 121110202011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110202093) 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 15 ways as a sum of consecutive naturals, for example, 1166853 + ... + 1266398.

It is an arithmetic number, because the mean of its divisors is an integer number (10336454496).

Almost surely, 2^121110202023 is an apocalyptic number.

121110202023 is a deficient number, since it is larger than the sum of its proper divisors (44273069913).

121110202023 is a wasteful number, since it uses less digits than its factorization.

121110202023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433654.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121110202023 its reverse (320202011121), we get a palindrome (441312213144).

The spelling of 121110202023 in words is "one hundred twenty-one billion, one hundred ten million, two hundred two thousand, twenty-three".