20011001100011 has 4 divisors (see below), whose sum is σ = 20011193652624. Its totient is φ = 20010808547400.

The previous prime is 20011001099993. The next prime is 20011001100029. The reversal of 20011001100011 is 11000110011002.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (20011001099993) and next prime (20011001100029).

It is a cyclic number.

It is not a de Polignac number, because 20011001100011 - 2¹⁰ = 20011001098987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20011001100031) 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, 96120335 + ... + 96328296.

It is an arithmetic number, because the mean of its divisors is an integer number (5002798413156).

Almost surely, 2^{20011001100011} is an apocalyptic number.

20011001100011 is a deficient number, since it is larger than the sum of its proper divisors (192552613).

20011001100011 is a wasteful number, since it uses less digits than its factorization.

20011001100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192552612.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 20011001100011 its reverse (11000110011002), we get a palindrome (31011111111013).

The spelling of 20011001100011 in words is "twenty trillion, eleven billion, one million, one hundred thousand, eleven".