11101020102020 has 12 divisors (see below), whose sum is σ = 23312142214284. Its totient is φ = 4440408040800.

The previous prime is 11101020102017. The next prime is 11101020102023. The reversal of 11101020102020 is 2020102010111.

It is an interprime number because it is at equal distance from previous prime (11101020102017) and next prime (11101020102023).

It can be written as a sum of positive squares in 2 ways, for example, as 7074929695876 + 4026090406144 = 2659874^2 + 2006512^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11101020101992 and 11101020102010.

It is not an unprimeable number, because it can be changed into a prime (11101020102023) 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 3 ways as a sum of consecutive naturals, for example, 277525502531 + ... + 277525502570.

It is an arithmetic number, because the mean of its divisors is an integer number (1942678517857).

Almost surely, 2^{11101020102020} is an apocalyptic number.

11101020102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101020102020 is an abundant number, since it is smaller than the sum of its proper divisors (12211122112264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11101020102020 is a wasteful number, since it uses less digits than its factorization.

11101020102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555051005110 (or 555051005108 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11101020102020 its reverse (2020102010111), we get a palindrome (13121122112131).

The spelling of 11101020102020 in words is "eleven trillion, one hundred one billion, twenty million, one hundred two thousand, twenty".