11100121010200 has 96 divisors (see below), whose sum is σ = 26006366736000. Its totient is φ = 4406010485760.

The previous prime is 11100121010159. The next prime is 11100121010249. The reversal of 11100121010200 is 201012100111.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 13562226 + ... + 14357374.

It is an arithmetic number, because the mean of its divisors is an integer number (270899653500).

Almost surely, 2^{11100121010200} is an apocalyptic number.

11100121010200 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 11100121010200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13003183368000).

11100121010200 is an abundant number, since it is smaller than the sum of its proper divisors (14906245725800).

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

11100121010200 is a wasteful number, since it uses less digits than its factorization.

11100121010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795701 (or 795692 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11100121010200 its reverse (201012100111), we get a palindrome (11301133110311).

It can be divided in two parts, 1110012 and 1010200, that added together give a palindrome (2120212).

The spelling of 11100121010200 in words is "eleven trillion, one hundred billion, one hundred twenty-one million, ten thousand, two hundred".