12122110021001 has 32 divisors (see below), whose sum is σ = 13554898680960. Its totient is φ = 10773245362176.

The previous prime is 12122110020973. The next prime is 12122110021033. The reversal of 12122110021001 is 10012001122121.

It is a cyclic number.

It is not a de Polignac number, because 12122110021001 - 2²² = 12122105826697 is a prime.

It is a super-2 number, since 2×12122110021001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122110021501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275561930 + ... + 275605916.

It is an arithmetic number, because the mean of its divisors is an integer number (423590583780).

Almost surely, 2^{12122110021001} is an apocalyptic number.

It is an amenable number.

12122110021001 is a deficient number, since it is larger than the sum of its proper divisors (1432788659959).

12122110021001 is a wasteful number, since it uses less digits than its factorization.

12122110021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46793.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12122110021001 its reverse (10012001122121), we get a palindrome (22134111143122).

The spelling of 12122110021001 in words is "twelve trillion, one hundred twenty-two billion, one hundred ten million, twenty-one thousand, one".