11121200202100 has 36 divisors (see below), whose sum is σ = 24133440749824. Its totient is φ = 4448399654880.

The previous prime is 11121200201977. The next prime is 11121200202131. The reversal of 11121200202100 is 120200212111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4715437 + ... + 6669163.

Almost surely, 2^{11121200202100} is an apocalyptic number.

11121200202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121200202100 is an abundant number, since it is smaller than the sum of its proper divisors (13012240547724).

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

11121200202100 is a wasteful number, since it uses less digits than its factorization.

11121200202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010664 (or 2010657 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11121200202100 its reverse (120200212111), we get a palindrome (11241400414211).

The spelling of 11121200202100 in words is "eleven trillion, one hundred twenty-one billion, two hundred million, two hundred two thousand, one hundred".