11201122340040 has 64 divisors (see below), whose sum is σ = 33603841454400. Its totient is φ = 2986923785472.

The previous prime is 11201122339991. The next prime is 11201122340071. The reversal of 11201122340040 is 4004322110211.

It is a junction number, because it is equal to n+sod(n) for n = 11201122339989 and 11201122340016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8391699 + ... + 9634461.

It is an arithmetic number, because the mean of its divisors is an integer number (525060022725).

Almost surely, 2^{11201122340040} is an apocalyptic number.

11201122340040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201122340040 is an abundant number, since it is smaller than the sum of its proper divisors (22402719114360).

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

11201122340040 is a wasteful number, since it uses less digits than its factorization.

11201122340040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317886 (or 1317882 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11201122340040 its reverse (4004322110211), we get a palindrome (15205444450251).

The spelling of 11201122340040 in words is "eleven trillion, two hundred one billion, one hundred twenty-two million, three hundred forty thousand, forty".