20100112211011 has 8 divisors (see below), whose sum is σ = 22971618965504. Its totient is φ = 17228620994760.

The previous prime is 20100112210993. The next prime is 20100112211017. The reversal of 20100112211011 is 11011221100102.

It is a happy number.

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

It is not a de Polignac number, because 20100112211011 - 2⁵ = 20100112210979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20100112210982 and 20100112211000.

It is not an unprimeable number, because it can be changed into a prime (20100112211017) 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, 966435 + ... + 6413596.

It is an arithmetic number, because the mean of its divisors is an integer number (2871452370688).

Almost surely, 2^{20100112211011} is an apocalyptic number.

20100112211011 is a deficient number, since it is larger than the sum of its proper divisors (2871506754493).

20100112211011 is an equidigital number, since it uses as much as digits as its factorization.

20100112211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7769121.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20100112211011 its reverse (11011221100102), we get a palindrome (31111333311113).

The spelling of 20100112211011 in words is "twenty trillion, one hundred billion, one hundred twelve million, two hundred eleven thousand, eleven".