121112222023 has 12 divisors (see below), whose sum is σ = 131197304280. Its totient is φ = 111751469856.

The previous prime is 121112222017. The next prime is 121112222047. The reversal of 121112222023 is 320222211121.

It is not a de Polignac number, because 121112222023 - 2⁵ = 121112221991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112222003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287965 + ... + 570217.

It is an arithmetic number, because the mean of its divisors is an integer number (10933108690).

Almost surely, 2^121112222023 is an apocalyptic number.

121112222023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121112222023 is a deficient number, since it is larger than the sum of its proper divisors (10085082257).

121112222023 is a wasteful number, since it uses less digits than its factorization.

121112222023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284818 (or 284805 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121112222023 its reverse (320222211121), we get a palindrome (441334433144).

The spelling of 121112222023 in words is "one hundred twenty-one billion, one hundred twelve million, two hundred twenty-two thousand, twenty-three".