20123130022111 has 8 divisors (see below), whose sum is σ = 20133544582800. Its totient is φ = 20112715871040.

The previous prime is 20123130022081. The next prime is 20123130022129. The reversal of 20123130022111 is 11122003132102.

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 20123130022111 - 2¹⁵ = 20123129989343 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 (20123530022111) 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, 170491905 + ... + 170609893.

It is an arithmetic number, because the mean of its divisors is an integer number (2516693072850).

Almost surely, 2^{20123130022111} is an apocalyptic number.

20123130022111 is a deficient number, since it is larger than the sum of its proper divisors (10414560689).

20123130022111 is a wasteful number, since it uses less digits than its factorization.

20123130022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204809.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20123130022111 its reverse (11122003132102), we get a palindrome (31245133154213).

The spelling of 20123130022111 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty million, twenty-two thousand, one hundred eleven".