20020111122201 has 8 divisors (see below), whose sum is σ = 26693519173440. Its totient is φ = 13346721909552.

The previous prime is 20020111122181. The next prime is 20020111122211. The reversal of 20020111122201 is 10222111102002.

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

It is not a de Polignac number, because 20020111122201 - 2²⁶ = 20020044013337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20020111122211) 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 7 ways as a sum of consecutive naturals, for example, 2008686 + ... + 6638903.

It is an arithmetic number, because the mean of its divisors is an integer number (3336689896680).

Almost surely, 2^{20020111122201} is an apocalyptic number.

It is an amenable number.

20020111122201 is a deficient number, since it is larger than the sum of its proper divisors (6673408051239).

20020111122201 is an equidigital number, since it uses as much as digits as its factorization.

20020111122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9419295.

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

Adding to 20020111122201 its reverse (10222111102002), we get a palindrome (30242222224203).

The spelling of 20020111122201 in words is "twenty trillion, twenty billion, one hundred eleven million, one hundred twenty-two thousand, two hundred one".