20113303122121 has 8 divisors (see below), whose sum is σ = 21941902879488. Its totient is φ = 18284722974000.

The previous prime is 20113303122103. The next prime is 20113303122149. The reversal of 20113303122121 is 12122130331102.

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

It is a cyclic number.

It is not a de Polignac number, because 20113303122121 - 2⁹ = 20113303121609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20113303122092 and 20113303122101.

It is not an unprimeable number, because it can be changed into a prime (20113303122161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2715225 + ... + 6899206.

It is an arithmetic number, because the mean of its divisors is an integer number (2742737859936).

Almost surely, 2^{20113303122121} is an apocalyptic number.

It is an amenable number.

20113303122121 is a deficient number, since it is larger than the sum of its proper divisors (1828599757367).

20113303122121 is a wasteful number, since it uses less digits than its factorization.

20113303122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9804623.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20113303122121 its reverse (12122130331102), we get a palindrome (32235433453223).

The spelling of 20113303122121 in words is "twenty trillion, one hundred thirteen billion, three hundred three million, one hundred twenty-two thousand, one hundred twenty-one".