20102110112011 has 8 divisors (see below), whose sum is σ = 21889775077200. Its totient is φ = 18387411063840.

The previous prime is 20102110111997. The next prime is 20102110112033. The reversal of 20102110112011 is 11021101120102.

It is a happy number.

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 20102110112011 - 2¹³ = 20102110103819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20102110111982 and 20102110112000.

It is not an unprimeable number, because it can be changed into a prime (20102110112611) 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, 18241478680 + ... + 18241479781.

It is an arithmetic number, because the mean of its divisors is an integer number (2736221884650).

Almost surely, 2^{20102110112011} is an apocalyptic number.

20102110112011 is a deficient number, since it is larger than the sum of its proper divisors (1787664965189).

20102110112011 is a wasteful number, since it uses less digits than its factorization.

20102110112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36482958509.

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

Adding to 20102110112011 its reverse (11021101120102), we get a palindrome (31123211232113).

The spelling of 20102110112011 in words is "twenty trillion, one hundred two billion, one hundred ten million, one hundred twelve thousand, eleven".