20023101120111 has 8 divisors (see below), whose sum is σ = 26783312110464. Its totient is φ = 13305812104920.

The previous prime is 20023101120107. The next prime is 20023101120151. The reversal of 20023101120111 is 11102110132002.

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

It is not a de Polignac number, because 20023101120111 - 2² = 20023101120107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20023101120151) 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, 10730492701 + ... + 10730494566.

It is an arithmetic number, because the mean of its divisors is an integer number (3347914013808).

Almost surely, 2^{20023101120111} is an apocalyptic number.

20023101120111 is a deficient number, since it is larger than the sum of its proper divisors (6760210990353).

20023101120111 is a wasteful number, since it uses less digits than its factorization.

20023101120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21460987581.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 20023101120111 its reverse (11102110132002), we get a palindrome (31125211252113).

The spelling of 20023101120111 in words is "twenty trillion, twenty-three billion, one hundred one million, one hundred twenty thousand, one hundred eleven".