20330113022121 has 16 divisors (see below), whose sum is σ = 30990489200000. Its totient is φ = 11612981432448.

The previous prime is 20330113022101. The next prime is 20330113022143. The reversal of 20330113022121 is 12122031103302.

It is not a de Polignac number, because 20330113022121 - 2²² = 20330108827817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20330113022101) 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 15 ways as a sum of consecutive naturals, for example, 176024596 + ... + 176140053.

It is an arithmetic number, because the mean of its divisors is an integer number (1936905575000).

Almost surely, 2^{20330113022121} is an apocalyptic number.

20330113022121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20330113022121 is a deficient number, since it is larger than the sum of its proper divisors (10660376177879).

20330113022121 is a wasteful number, since it uses less digits than its factorization.

20330113022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352167408.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20330113022121 its reverse (12122031103302), we get a palindrome (32452144125423).

The spelling of 20330113022121 in words is "twenty trillion, three hundred thirty billion, one hundred thirteen million, twenty-two thousand, one hundred twenty-one".