20332223312121 has 24 divisors (see below), whose sum is σ = 33580295985600. Its totient is φ = 11612878032096.

The previous prime is 20332223312117. The next prime is 20332223312147. The reversal of 20332223312121 is 12121332223302.

20332223312121 is a `hidden beast` number, since 2 + 0 + 3 + 3 + 2 + 223 + 312 + 121 = 666.

It is not a de Polignac number, because 20332223312121 - 2² = 20332223312117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20332223314121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76745730 + ... + 77010203.

It is an arithmetic number, because the mean of its divisors is an integer number (1399178999400).

Almost surely, 2^{20332223312121} is an apocalyptic number.

20332223312121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20332223312121 is a deficient number, since it is larger than the sum of its proper divisors (13248072673479).

20332223312121 is a wasteful number, since it uses less digits than its factorization.

20332223312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153758045 (or 153758042 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 20332223312121 its reverse (12121332223302), we get a palindrome (32453555535423).

The spelling of 20332223312121 in words is "twenty trillion, three hundred thirty-two billion, two hundred twenty-three million, three hundred twelve thousand, one hundred twenty-one".