20102111200011 has 8 divisors (see below), whose sum is σ = 27527215337104. Its totient is φ = 13039207264800.

The previous prime is 20102111200007. The next prime is 20102111200013. The reversal of 20102111200011 is 11000211120102.

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

It is not a de Polignac number, because 20102111200011 - 2² = 20102111200007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20102111200011.

It is not an unprimeable number, because it can be changed into a prime (20102111200013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90550050340 + ... + 90550050561.

It is an arithmetic number, because the mean of its divisors is an integer number (3440901917138).

Almost surely, 2^{20102111200011} is an apocalyptic number.

20102111200011 is a deficient number, since it is larger than the sum of its proper divisors (7425104137093).

20102111200011 is a wasteful number, since it uses less digits than its factorization.

20102111200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181100100941.

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

Adding to 20102111200011 its reverse (11000211120102), we get a palindrome (31102322320113).

The spelling of 20102111200011 in words is "twenty trillion, one hundred two billion, one hundred eleven million, two hundred thousand, eleven".