11321341020 has 72 divisors (see below), whose sum is σ = 37463353200. Its totient is φ = 2744567040.

The previous prime is 11321340983. The next prime is 11321341049. The reversal of 11321341020 is 2014312311.

11321341020 is a `hidden beast` number, since 1 + 1 + 321 + 341 + 0 + 2 + 0 = 666.

It is a super-2 number, since 2×11321341020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11321340984 and 11321341002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2856945 + ... + 2860904.

It is an arithmetic number, because the mean of its divisors is an integer number (520324350).

Almost surely, 2^11321341020 is an apocalyptic number.

11321341020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11321341020 is an abundant number, since it is smaller than the sum of its proper divisors (26142012180).

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

11321341020 is a wasteful number, since it uses less digits than its factorization.

11321341020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717875 (or 5717870 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11321341020 its reverse (2014312311), we get a palindrome (13335653331).

The spelling of 11321341020 in words is "eleven billion, three hundred twenty-one million, three hundred forty-one thousand, twenty".