20122000010011 has 4 divisors (see below), whose sum is σ = 20306605514800. Its totient is φ = 19937394505224.

The previous prime is 20122000009997. The next prime is 20122000010023. The reversal of 20122000010011 is 11001000022102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20122000010011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20122000010011.

It is not an unprimeable number, because it can be changed into a prime (20122000010311) 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, 92302752231 + ... + 92302752448.

It is an arithmetic number, because the mean of its divisors is an integer number (5076651378700).

Almost surely, 2^{20122000010011} is an apocalyptic number.

20122000010011 is a deficient number, since it is larger than the sum of its proper divisors (184605504789).

20122000010011 is a wasteful number, since it uses less digits than its factorization.

20122000010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184605504788.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20122000010011 its reverse (11001000022102), we get a palindrome (31123000032113).

The spelling of 20122000010011 in words is "twenty trillion, one hundred twenty-two billion, ten thousand, eleven".