11110211100020 has 96 divisors (see below), whose sum is σ = 23583567335328. Its totient is φ = 4396390612992.

The previous prime is 11110211099969. The next prime is 11110211100031. The reversal of 11110211100020 is 2000111201111.

It can be written as a sum of positive squares in 16 ways, for example, as 28858384 + 11110182241636 = 5372^2 + 3333194^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11110211099974 and 11110211100010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 495250724 + ... + 495273156.

It is an arithmetic number, because the mean of its divisors is an integer number (245662159743).

Almost surely, 2^{11110211100020} is an apocalyptic number.

11110211100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110211100020 is an abundant number, since it is smaller than the sum of its proper divisors (12473356235308).

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

11110211100020 is a wasteful number, since it uses less digits than its factorization.

11110211100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23349 (or 23347 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11110211100020 its reverse (2000111201111), we get a palindrome (13110322301131).

The spelling of 11110211100020 in words is "eleven trillion, one hundred ten billion, two hundred eleven million, one hundred thousand, twenty".