11021110120105 has 16 divisors (see below), whose sum is σ = 13557355804944. Its totient is φ = 8595839134720.

The previous prime is 11021110120103. The next prime is 11021110120121. The reversal of 11021110120105 is 50102101112011.

It can be written as a sum of positive squares in 8 ways, for example, as 126377406016 + 10894732714089 = 355496^2 + 3300717^2 .

It is not a de Polignac number, because 11021110120105 - 2¹ = 11021110120103 is a prime.

It is a super-2 number, since 2×11021110120105² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021110120103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18464614 + ... + 19052143.

It is an arithmetic number, because the mean of its divisors is an integer number (847334737809).

Almost surely, 2^{11021110120105} is an apocalyptic number.

It is an amenable number.

11021110120105 is a deficient number, since it is larger than the sum of its proper divisors (2536245684839).

11021110120105 is a wasteful number, since it uses less digits than its factorization.

11021110120105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37518236.

The product of its (nonzero) digits is 20, while the sum is 16.

Adding to 11021110120105 its reverse (50102101112011), we get a palindrome (61123211232116).

The spelling of 11021110120105 in words is "eleven trillion, twenty-one billion, one hundred ten million, one hundred twenty thousand, one hundred five".