11010212120020 has 24 divisors (see below), whose sum is σ = 23207398792200. Its totient is φ = 4387712783232.

The previous prime is 11010212119987. The next prime is 11010212120051. The reversal of 11010212120020 is 2002121201011.

It can be written as a sum of positive squares in 4 ways, for example, as 1499548176 + 11008712571844 = 38724^2 + 3317938^2 .

It is a congruent number.

It is an unprimeable number.

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, 1023248535 + ... + 1023259294.

It is an arithmetic number, because the mean of its divisors is an integer number (966974949675).

Almost surely, 2^{11010212120020} is an apocalyptic number.

11010212120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010212120020 is an abundant number, since it is smaller than the sum of its proper divisors (12197186672180).

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

11010212120020 is a wasteful number, since it uses less digits than its factorization.

11010212120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046508107 (or 2046508105 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11010212120020 its reverse (2002121201011), we get a palindrome (13012333321031).

The spelling of 11010212120020 in words is "eleven trillion, ten billion, two hundred twelve million, one hundred twenty thousand, twenty".