20331233300121 has 16 divisors (see below), whose sum is σ = 28048105824960. Its totient is φ = 13084425668160.

The previous prime is 20331233300101. The next prime is 20331233300137. The reversal of 20331233300121 is 12100333213302.

It is not a de Polignac number, because 20331233300121 - 2⁶ = 20331233300057 is a prime.

It is a super-2 number, since 2×20331233300121² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20331233300091 and 20331233300100.

It is not an unprimeable number, because it can be changed into a prime (20331233300101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20450875 + ... + 21421968.

It is an arithmetic number, because the mean of its divisors is an integer number (1753006614060).

Almost surely, 2^{20331233300121} is an apocalyptic number.

It is an amenable number.

20331233300121 is a deficient number, since it is larger than the sum of its proper divisors (7716872524839).

20331233300121 is a wasteful number, since it uses less digits than its factorization.

20331233300121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41878456.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 20331233300121 its reverse (12100333213302), we get a palindrome (32431566513423).

The spelling of 20331233300121 in words is "twenty trillion, three hundred thirty-one billion, two hundred thirty-three million, three hundred thousand, one hundred twenty-one".