11102020453200 has 120 divisors (see below), whose sum is σ = 35572402908000. Its totient is φ = 2959795335680.

The previous prime is 11102020453171. The next prime is 11102020453201. The reversal of 11102020453200 is 235402020111.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×11102020453200² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102020453201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3627151 + ... + 5946449.

It is an arithmetic number, because the mean of its divisors is an integer number (296436690900).

Almost surely, 2^{11102020453200} is an apocalyptic number.

11102020453200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102020453200 is an abundant number, since it is smaller than the sum of its proper divisors (24470382454800).

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

11102020453200 is a wasteful number, since it uses less digits than its factorization.

11102020453200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323309 (or 2323298 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 11102020453200 its reverse (235402020111), we get a palindrome (11337422473311).

The spelling of 11102020453200 in words is "eleven trillion, one hundred two billion, twenty million, four hundred fifty-three thousand, two hundred".