11211341020 has 96 divisors (see below), whose sum is σ = 27087540480. Its totient is φ = 3854914560.

The previous prime is 11211340997. The next prime is 11211341081. The reversal of 11211341020 is 2014311211.

It is a junction number, because it is equal to n+sod(n) for n = 11211340985 and 11211341003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2476479 + ... + 2481001.

It is an arithmetic number, because the mean of its divisors is an integer number (282161880).

Almost surely, 2^11211341020 is an apocalyptic number.

11211341020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11211341020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13543770240).

11211341020 is an abundant number, since it is smaller than the sum of its proper divisors (15876199460).

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

11211341020 is a wasteful number, since it uses less digits than its factorization.

11211341020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5155 (or 5153 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11211341020 its reverse (2014311211), we get a palindrome (13225652231).

The spelling of 11211341020 in words is "eleven billion, two hundred eleven million, three hundred forty-one thousand, twenty".