20012210220011 has 8 divisors (see below), whose sum is σ = 20609012889600. Its totient is φ = 19423994639400.

The previous prime is 20012210219977. The next prime is 20012210220091. The reversal of 20012210220011 is 11002201221002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20012210220011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012210220091) 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, 2146767515 + ... + 2146776836.

It is an arithmetic number, because the mean of its divisors is an integer number (2576126611200).

Almost surely, 2^{20012210220011} is an apocalyptic number.

20012210220011 is a deficient number, since it is larger than the sum of its proper divisors (596802669589).

20012210220011 is an equidigital number, since it uses as much as digits as its factorization.

20012210220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4293544489.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20012210220011 its reverse (11002201221002), we get a palindrome (31014411441013).

The spelling of 20012210220011 in words is "twenty trillion, twelve billion, two hundred ten million, two hundred twenty thousand, eleven".