122001121020023 has 48 divisors (see below), whose sum is σ = 149474514528000. Its totient is φ = 99148461931008.

The previous prime is 122001121020007. The next prime is 122001121020043. The reversal of 122001121020023 is 320020121100221.

It is not a de Polignac number, because 122001121020023 - 2⁴ = 122001121020007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122001121019983 and 122001121020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001121020043) 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, 21186938 + ... + 26322776.

It is an arithmetic number, because the mean of its divisors is an integer number (3114052386000).

Almost surely, 2^{122001121020023} is an apocalyptic number.

122001121020023 is a deficient number, since it is larger than the sum of its proper divisors (27473393507977).

122001121020023 is a wasteful number, since it uses less digits than its factorization.

122001121020023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136184 (or 5136177 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 122001121020023 its reverse (320020121100221), we get a palindrome (442021242120244).

The spelling of 122001121020023 in words is "one hundred twenty-two trillion, one billion, one hundred twenty-one million, twenty thousand, twenty-three".