20021112303101 has 32 divisors (see below), whose sum is σ = 24898452633600. Its totient is φ = 15676344953280.

The previous prime is 20021112303061. The next prime is 20021112303103. The reversal of 20021112303101 is 10130321112002.

It is a cyclic number.

It is not a de Polignac number, because 20021112303101 - 2⁶ = 20021112303037 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20021112303101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021112303103) 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, 1389110 + ... + 6478568.

It is an arithmetic number, because the mean of its divisors is an integer number (778076644800).

Almost surely, 2^{20021112303101} is an apocalyptic number.

It is an amenable number.

20021112303101 is a deficient number, since it is larger than the sum of its proper divisors (4877340330499).

20021112303101 is a wasteful number, since it uses less digits than its factorization.

20021112303101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089929.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20021112303101 its reverse (10130321112002), we get a palindrome (30151433415103).

The spelling of 20021112303101 in words is "twenty trillion, twenty-one billion, one hundred twelve million, three hundred three thousand, one hundred one".