20112212211011 has 8 divisors (see below), whose sum is σ = 20543198927040. Its totient is φ = 19684228887208.

The previous prime is 20112212210999. The next prime is 20112212211089. The reversal of 20112212211011 is 11011221221102.

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

It is a cyclic number.

It is not a de Polignac number, because 20112212211011 - 2⁴² = 15714165699907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20112212211811) 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, 750834521 + ... + 750861306.

It is an arithmetic number, because the mean of its divisors is an integer number (2567899865880).

Almost surely, 2^{20112212211011} is an apocalyptic number.

20112212211011 is a deficient number, since it is larger than the sum of its proper divisors (430986716029).

20112212211011 is a wasteful number, since it uses less digits than its factorization.

20112212211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501696113.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 20112212211011 its reverse (11011221221102), we get a palindrome (31123433432113).

It can be divided in two parts, 2011221221101 and 1, that added together give a palindrome (2011221221102).

The spelling of 20112212211011 in words is "twenty trillion, one hundred twelve billion, two hundred twelve million, two hundred eleven thousand, eleven".