20112120011122 has 8 divisors (see below), whose sum is σ = 30737390960556. Its totient is φ = 9866323024272.

The previous prime is 20112120011057. The next prime is 20112120011143. The reversal of 20112120011122 is 22111002121102.

It can be written as a sum of positive squares in 2 ways, for example, as 18957829775481 + 1154290235641 = 4354059^2 + 1074379^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20112120011096 and 20112120011105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94868490513 + ... + 94868490724.

Almost surely, 2^{20112120011122} is an apocalyptic number.

20112120011122 is a deficient number, since it is larger than the sum of its proper divisors (10625270949434).

20112120011122 is a wasteful number, since it uses less digits than its factorization.

20112120011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189736981292.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20112120011122 its reverse (22111002121102), we get a palindrome (42223122132224).

The spelling of 20112120011122 in words is "twenty trillion, one hundred twelve billion, one hundred twenty million, eleven thousand, one hundred twenty-two".