122001002112021 has 32 divisors (see below), whose sum is σ = 166525611264000. Its totient is φ = 79423571035200.

The previous prime is 122001002111993. The next prime is 122001002112037. The reversal of 122001002112021 is 120211200100221.

It is not a de Polignac number, because 122001002112021 - 2³⁰ = 121999928370197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001002132021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1537484455 + ... + 1537563803.

It is an arithmetic number, because the mean of its divisors is an integer number (5203925352000).

Almost surely, 2^{122001002112021} is an apocalyptic number.

It is an amenable number.

122001002112021 is a deficient number, since it is larger than the sum of its proper divisors (44524609151979).

122001002112021 is a wasteful number, since it uses less digits than its factorization.

122001002112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137089.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122001002112021 its reverse (120211200100221), we get a palindrome (242212202212242).

The spelling of 122001002112021 in words is "one hundred twenty-two trillion, one billion, two million, one hundred twelve thousand, twenty-one".