20122011020011 has 4 divisors (see below), whose sum is σ = 20136092204800. Its totient is φ = 20107929835224.

The previous prime is 20122011020009. The next prime is 20122011020047. The reversal of 20122011020011 is 11002011022102.

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 20122011020011 - 2¹ = 20122011020009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20122011019973 and 20122011020000.

It is not an unprimeable number, because it can be changed into a prime (20122011020311) 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, 7040590251 + ... + 7040593108.

It is an arithmetic number, because the mean of its divisors is an integer number (5034023051200).

Almost surely, 2^{20122011020011} is an apocalyptic number.

20122011020011 is a deficient number, since it is larger than the sum of its proper divisors (14081184789).

20122011020011 is a wasteful number, since it uses less digits than its factorization.

20122011020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14081184788.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20122011020011 its reverse (11002011022102), we get a palindrome (31124022042113).

The spelling of 20122011020011 in words is "twenty trillion, one hundred twenty-two billion, eleven million, twenty thousand, eleven".