20012201120011 has 4 divisors (see below), whose sum is σ = 20015247587400. Its totient is φ = 20009154652624.

The previous prime is 20012201119991. The next prime is 20012201120027. The reversal of 20012201120011 is 11002110221002.

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 20012201120011 - 2⁵ = 20012201119979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20012201119973 and 20012201120000.

It is not an unprimeable number, because it can be changed into a prime (20012201120411) 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, 1523223841 + ... + 1523236978.

It is an arithmetic number, because the mean of its divisors is an integer number (5003811896850).

Almost surely, 2^{20012201120011} is an apocalyptic number.

20012201120011 is a deficient number, since it is larger than the sum of its proper divisors (3046467389).

20012201120011 is an equidigital number, since it uses as much as digits as its factorization.

20012201120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046467388.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20012201120011 its reverse (11002110221002), we get a palindrome (31014311341013).

The spelling of 20012201120011 in words is "twenty trillion, twelve billion, two hundred one million, one hundred twenty thousand, eleven".