20001101202011 has 4 divisors (see below), whose sum is σ = 20328988107024. Its totient is φ = 19673214297000.

The previous prime is 20001101202001. The next prime is 20001101202053. The reversal of 20001101202011 is 11020210110002.

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 20001101202011 - 2¹⁴ = 20001101185627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20001101201983 and 20001101202001.

It is not an unprimeable number, because it can be changed into a prime (20001101202001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163943452415 + ... + 163943452536.

It is an arithmetic number, because the mean of its divisors is an integer number (5082247026756).

Almost surely, 2^{20001101202011} is an apocalyptic number.

20001101202011 is a deficient number, since it is larger than the sum of its proper divisors (327886905013).

20001101202011 is an equidigital number, since it uses as much as digits as its factorization.

20001101202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327886905012.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20001101202011 its reverse (11020210110002), we get a palindrome (31021311312013).

The spelling of 20001101202011 in words is "twenty trillion, one billion, one hundred one million, two hundred two thousand, eleven".