20110010012011 has 4 divisors (see below), whose sum is σ = 20110933061752. Its totient is φ = 20109086962272.

The previous prime is 20110010011969. The next prime is 20110010012017. The reversal of 20110010012011 is 11021001001102.

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 20110010012011 - 2⁹ = 20110010011499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110010012017) 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, 461492190 + ... + 461535763.

It is an arithmetic number, because the mean of its divisors is an integer number (5027733265438).

Almost surely, 2^{20110010012011} is an apocalyptic number.

20110010012011 is a deficient number, since it is larger than the sum of its proper divisors (923049741).

20110010012011 is an equidigital number, since it uses as much as digits as its factorization.

20110010012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923049740.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20110010012011 its reverse (11021001001102), we get a palindrome (31131011013113).

The spelling of 20110010012011 in words is "twenty trillion, one hundred ten billion, ten million, twelve thousand, eleven".