20020122012101 has 8 divisors (see below), whose sum is σ = 20275348145184. Its totient is φ = 19766447406160.

The previous prime is 20020122012043. The next prime is 20020122012113. The reversal of 20020122012101 is 10121022102002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20020122012101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020122012701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387855815 + ... + 387907428.

It is an arithmetic number, because the mean of its divisors is an integer number (2534418518148).

Almost surely, 2^{20020122012101} is an apocalyptic number.

It is an amenable number.

20020122012101 is a deficient number, since it is larger than the sum of its proper divisors (255226133083).

20020122012101 is a wasteful number, since it uses less digits than its factorization.

20020122012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775763571.

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

Adding to 20020122012101 its reverse (10121022102002), we get a palindrome (30141144114103).

The spelling of 20020122012101 in words is "twenty trillion, twenty billion, one hundred twenty-two million, twelve thousand, one hundred one".