20111022010011 has 8 divisors (see below), whose sum is σ = 26833460676880. Its totient is φ = 13397965674912.

The previous prime is 20111022009983. The next prime is 20111022010049. The reversal of 20111022010011 is 11001022011102.

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

It is not a de Polignac number, because 20111022010011 - 2¹⁷ = 20111021878939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20111022010411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2345577940 + ... + 2345586513.

It is an arithmetic number, because the mean of its divisors is an integer number (3354182584610).

Almost surely, 2^{20111022010011} is an apocalyptic number.

20111022010011 is a deficient number, since it is larger than the sum of its proper divisors (6722438666869).

20111022010011 is a wasteful number, since it uses less digits than its factorization.

20111022010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4691165885.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20111022010011 its reverse (11001022011102), we get a palindrome (31112044021113).

The spelling of 20111022010011 in words is "twenty trillion, one hundred eleven billion, twenty-two million, ten thousand, eleven".