122020121021 has 8 divisors (see below), whose sum is σ = 122491550400. Its totient is φ = 121549585248.

The previous prime is 122020120993. The next prime is 122020121029. The reversal of 122020121021 is 120121020221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122020121021 - 2²⁶ = 121953012157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122020120987 and 122020121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020121029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50870 + ... + 496616.

It is an arithmetic number, because the mean of its divisors is an integer number (15311443800).

Almost surely, 2^122020121021 is an apocalyptic number.

It is an amenable number.

122020121021 is a deficient number, since it is larger than the sum of its proper divisors (471429379).

122020121021 is an equidigital number, since it uses as much as digits as its factorization.

122020121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446803.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122020121021 its reverse (120121020221), we get a palindrome (242141141242).

The spelling of 122020121021 in words is "one hundred twenty-two billion, twenty million, one hundred twenty-one thousand, twenty-one".