20301013123121 has 8 divisors (see below), whose sum is σ = 20382526872288. Its totient is φ = 20219504400000.

The previous prime is 20301013123073. The next prime is 20301013123169. The reversal of 20301013123121 is 12132131010302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20301013123073) and next prime (20301013123169).

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 20301013123121 - 2²⁶ = 20300946014257 is a prime.

It is a super-2 number, since 2×20301013123121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20301013123093 and 20301013123102.

It is not an unprimeable number, because it can be changed into a prime (20301013123021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6945281 + ... + 9425441.

It is an arithmetic number, because the mean of its divisors is an integer number (2547815859036).

Almost surely, 2^{20301013123121} is an apocalyptic number.

It is an amenable number.

20301013123121 is a deficient number, since it is larger than the sum of its proper divisors (81513749167).

20301013123121 is a wasteful number, since it uses less digits than its factorization.

20301013123121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513023.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20301013123121 its reverse (12132131010302), we get a palindrome (32433144133423).

The spelling of 20301013123121 in words is "twenty trillion, three hundred one billion, thirteen million, one hundred twenty-three thousand, one hundred twenty-one".