121022312023 has 4 divisors (see below), whose sum is σ = 123597254880. Its totient is φ = 118447369168.

The previous prime is 121022311979. The next prime is 121022312053. The reversal of 121022312023 is 320213220121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320213220121 = 121867 ⋅2627563.

It is a cyclic number.

It is not a de Polignac number, because 121022312023 - 2²¹ = 121020214871 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 (121022312053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1287471358 + ... + 1287471451.

It is an arithmetic number, because the mean of its divisors is an integer number (30899313720).

Almost surely, 2^121022312023 is an apocalyptic number.

121022312023 is a deficient number, since it is larger than the sum of its proper divisors (2574942857).

121022312023 is an equidigital number, since it uses as much as digits as its factorization.

121022312023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574942856.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121022312023 its reverse (320213220121), we get a palindrome (441235532144).

The spelling of 121022312023 in words is "one hundred twenty-one billion, twenty-two million, three hundred twelve thousand, twenty-three".