11200101010020 has 72 divisors (see below), whose sum is σ = 36586996640376. Its totient is φ = 2756947940352.

The previous prime is 11200101010003. The next prime is 11200101010027. The reversal of 11200101010020 is 2001010100211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2318938113636 + 8881162896384 = 1522806^2 + 2980128^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11200101009984 and 11200101010011.

It is not an unprimeable number, because it can be changed into a prime (11200101010027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2393181637 + ... + 2393186316.

Almost surely, 2^{11200101010020} is an apocalyptic number.

11200101010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200101010020 is an abundant number, since it is smaller than the sum of its proper divisors (25386895630356).

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

11200101010020 is a wasteful number, since it uses less digits than its factorization.

11200101010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786367981 (or 4786367976 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11200101010020 its reverse (2001010100211), we get a palindrome (13201111110231).

It can be divided in two parts, 1 and 1200101010020, that added together give a palindrome (1200101010021).

The spelling of 11200101010020 in words is "eleven trillion, two hundred billion, one hundred one million, ten thousand, twenty".