20112012100011 has 8 divisors (see below), whose sum is σ = 28878786605200. Its totient is φ = 12376622830752.

The previous prime is 20112012099983. The next prime is 20112012100021. The reversal of 20112012100011 is 11000121021102.

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

It is not a de Polignac number, because 20112012100011 - 2¹⁰ = 20112012098987 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 20112012100011.

It is not an unprimeable number, because it can be changed into a prime (20112012100021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257846308936 + ... + 257846309013.

It is an arithmetic number, because the mean of its divisors is an integer number (3609848325650).

Almost surely, 2^{20112012100011} is an apocalyptic number.

20112012100011 is a deficient number, since it is larger than the sum of its proper divisors (8766774505189).

20112012100011 is a wasteful number, since it uses less digits than its factorization.

20112012100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515692617965.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20112012100011 its reverse (11000121021102), we get a palindrome (31112133121113).

The spelling of 20112012100011 in words is "twenty trillion, one hundred twelve billion, twelve million, one hundred thousand, eleven".