20023304121111 has 8 divisors (see below), whose sum is σ = 26701427918704. Its totient is φ = 13347024868800.

The previous prime is 20023304121071. The next prime is 20023304121131. The reversal of 20023304121111 is 11112140332002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20023304121111 - 2⁶ = 20023304121047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023304121131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461110990 + ... + 461154411.

It is an arithmetic number, because the mean of its divisors is an integer number (3337678489838).

Almost surely, 2^{20023304121111} is an apocalyptic number.

20023304121111 is a deficient number, since it is larger than the sum of its proper divisors (6678123797593).

20023304121111 is an equidigital number, since it uses as much as digits as its factorization.

20023304121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922272641.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20023304121111 its reverse (11112140332002), we get a palindrome (31135444453113).

The spelling of 20023304121111 in words is "twenty trillion, twenty-three billion, three hundred four million, one hundred twenty-one thousand, one hundred eleven".