11121000202100 has 36 divisors (see below), whose sum is σ = 24136845184704. Its totient is φ = 4447612109280.

The previous prime is 11121000202087. The next prime is 11121000202121. The reversal of 11121000202100 is 120200012111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9282122 + ... + 10411521.

Almost surely, 2^{11121000202100} is an apocalyptic number.

11121000202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121000202100 is an abundant number, since it is smaller than the sum of its proper divisors (13015844982604).

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

11121000202100 is a wasteful number, since it uses less digits than its factorization.

11121000202100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19699304 (or 19699297 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11121000202100 its reverse (120200012111), we get a palindrome (11241200214211).

The spelling of 11121000202100 in words is "eleven trillion, one hundred twenty-one billion, two hundred two thousand, one hundred".