20301111121 has 8 divisors (see below), whose sum is σ = 20364948864. Its totient is φ = 20237304720.

The previous prime is 20301111113. The next prime is 20301111133. The reversal of 20301111121 is 12111110302.

It is a happy number.

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 20301111121 - 2³ = 20301111113 is a prime.

It is a super-2 number, since 2×20301111121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20301111151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2498856 + ... + 2506966.

It is an arithmetic number, because the mean of its divisors is an integer number (2545618608).

Almost surely, 2^20301111121 is an apocalyptic number.

It is an amenable number.

20301111121 is a deficient number, since it is larger than the sum of its proper divisors (63837743).

20301111121 is an equidigital number, since it uses as much as digits as its factorization.

20301111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15671.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 20301111121 its reverse (12111110302), we get a palindrome (32412221423).

The spelling of 20301111121 in words is "twenty billion, three hundred one million, one hundred eleven thousand, one hundred twenty-one".