11121002121100 has 72 divisors (see below), whose sum is σ = 24589052793648. Its totient is φ = 4364265235200.

The previous prime is 11121002121083. The next prime is 11121002121133. The reversal of 11121002121100 is 112120012111.

It is a happy 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, 168194247 + ... + 168260353.

It is an arithmetic number, because the mean of its divisors is an integer number (341514622134).

Almost surely, 2^{11121002121100} is an apocalyptic number.

11121002121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121002121100 is an abundant number, since it is smaller than the sum of its proper divisors (13468050672548).

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

11121002121100 is a wasteful number, since it uses less digits than its factorization.

11121002121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97915 (or 97908 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11121002121100 its reverse (112120012111), we get a palindrome (11233122133211).

The spelling of 11121002121100 in words is "eleven trillion, one hundred twenty-one billion, two million, one hundred twenty-one thousand, one hundred".