20112000122111 has 8 divisors (see below), whose sum is σ = 20134248388320. Its totient is φ = 20089752648192.

The previous prime is 20112000122083. The next prime is 20112000122119. The reversal of 20112000122111 is 11122100021102.

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 20112000122111 - 2³⁸ = 19837122215167 is a prime.

It is a super-3 number, since 3×20112000122111³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112000122119) 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, 61034651 + ... + 61363283.

It is an arithmetic number, because the mean of its divisors is an integer number (2516781048540).

Almost surely, 2^{20112000122111} is an apocalyptic number.

20112000122111 is a deficient number, since it is larger than the sum of its proper divisors (22248266209).

20112000122111 is an equidigital number, since it uses as much as digits as its factorization.

20112000122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396145.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20112000122111 its reverse (11122100021102), we get a palindrome (31234100143213).

The spelling of 20112000122111 in words is "twenty trillion, one hundred twelve billion, one hundred twenty-two thousand, one hundred eleven".