20112201220011 has 32 divisors (see below), whose sum is σ = 27610653772800. Its totient is φ = 13014293529600.

The previous prime is 20112201219991. The next prime is 20112201220037. The reversal of 20112201220011 is 11002210221102.

It is not a de Polignac number, because 20112201220011 - 2⁷ = 20112201219883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20112201220091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383552851 + ... + 383605283.

It is an arithmetic number, because the mean of its divisors is an integer number (862832930400).

Almost surely, 2^{20112201220011} is an apocalyptic number.

20112201220011 is a deficient number, since it is larger than the sum of its proper divisors (7498452552789).

20112201220011 is a wasteful number, since it uses less digits than its factorization.

20112201220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68347.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20112201220011 its reverse (11002210221102), we get a palindrome (31114411441113).

The spelling of 20112201220011 in words is "twenty trillion, one hundred twelve billion, two hundred one million, two hundred twenty thousand, eleven".