11101112021240 has 64 divisors (see below), whose sum is σ = 25330110773760. Its totient is φ = 4377762829440.

The previous prime is 11101112021239. The next prime is 11101112021257. The reversal of 11101112021240 is 4212021110111.

11101112021240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11101112021240² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 163740389 + ... + 163808171.

It is an arithmetic number, because the mean of its divisors is an integer number (395782980840).

Almost surely, 2^{11101112021240} is an apocalyptic number.

11101112021240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101112021240 is an abundant number, since it is smaller than the sum of its proper divisors (14228998752520).

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

11101112021240 is a wasteful number, since it uses less digits than its factorization.

11101112021240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125532 (or 125528 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11101112021240 its reverse (4212021110111), we get a palindrome (15313133131351).

The spelling of 11101112021240 in words is "eleven trillion, one hundred one billion, one hundred twelve million, twenty-one thousand, two hundred forty".