20112112001011 has 4 divisors (see below), whose sum is σ = 20114969248000. Its totient is φ = 20109254754024.

The previous prime is 20112112000997. The next prime is 20112112001017. The reversal of 20112112001011 is 11010021121102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20112112001011 - 2⁵ = 20112112000979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20112112000982 and 20112112001000.

It is not an unprimeable number, because it can be changed into a prime (20112112001017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428612936 + ... + 1428627013.

It is an arithmetic number, because the mean of its divisors is an integer number (5028742312000).

Almost surely, 2^{20112112001011} is an apocalyptic number.

20112112001011 is a deficient number, since it is larger than the sum of its proper divisors (2857246989).

20112112001011 is an equidigital number, since it uses as much as digits as its factorization.

20112112001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857246988.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20112112001011 its reverse (11010021121102), we get a palindrome (31122133122113).

The spelling of 20112112001011 in words is "twenty trillion, one hundred twelve billion, one hundred twelve million, one thousand, eleven".