20112011012122 has 8 divisors (see below), whose sum is σ = 30342398117076. Its totient is φ = 9997878306432.

The previous prime is 20112011012113. The next prime is 20112011012129. The reversal of 20112011012122 is 22121011021102.

It can be written as a sum of positive squares in 2 ways, for example, as 14243596816761 + 5868414195361 = 3774069^2 + 2422481^2 .

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 = 20112011012096 and 20112011012105.

It is not an unprimeable number, because it can be changed into a prime (20112011012129) 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, 29063599383 + ... + 29063600074.

Almost surely, 2^{20112011012122} is an apocalyptic number.

20112011012122 is a deficient number, since it is larger than the sum of its proper divisors (10230387104954).

20112011012122 is a wasteful number, since it uses less digits than its factorization.

20112011012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58127199632.

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

Adding to 20112011012122 its reverse (22121011021102), we get a palindrome (42233022033224).

The spelling of 20112011012122 in words is "twenty trillion, one hundred twelve billion, eleven million, twelve thousand, one hundred twenty-two".