11200120100 has 108 divisors (see below), whose sum is σ = 26523771120. Its totient is φ = 4103049600.

The previous prime is 11200120097. The next prime is 11200120103. The reversal of 11200120100 is 102100211.

It is an interprime number because it is at equal distance from previous prime (11200120097) and next prime (11200120103).

It is not an unprimeable number, because it can be changed into a prime (11200120103) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2211371 + ... + 2216429.

Almost surely, 2^11200120100 is an apocalyptic number.

11200120100 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 11200120100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13261885560).

11200120100 is an abundant number, since it is smaller than the sum of its proper divisors (15323651020).

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

11200120100 is a wasteful number, since it uses less digits than its factorization.

11200120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5230 (or 5210 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11200120100 its reverse (102100211), we get a palindrome (11302220311).

The spelling of 11200120100 in words is "eleven billion, two hundred million, one hundred twenty thousand, one hundred".