122121202023 has 24 divisors (see below), whose sum is σ = 191329066656. Its totient is φ = 74756160000.

The previous prime is 122121202001. The next prime is 122121202033. The reversal of 122121202023 is 320202121221.

It is not a de Polignac number, because 122121202023 - 2³⁰ = 121047460199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122121201987 and 122121202005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122121202033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9727603 + ... + 9740148.

It is an arithmetic number, because the mean of its divisors is an integer number (7972044444).

Almost surely, 2^122121202023 is an apocalyptic number.

122121202023 is a deficient number, since it is larger than the sum of its proper divisors (69207864633).

122121202023 is a wasteful number, since it uses less digits than its factorization.

122121202023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19467815 (or 19467812 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 122121202023 its reverse (320202121221), we get a palindrome (442323323244).

The spelling of 122121202023 in words is "one hundred twenty-two billion, one hundred twenty-one million, two hundred two thousand, twenty-three".