11121102002100 has 72 divisors (see below), whose sum is σ = 32430417875968. Its totient is φ = 2942275795200.

The previous prime is 11121102002081. The next prime is 11121102002251. The reversal of 11121102002100 is 120020112111.

It is a super-2 number, since 2×11121102002100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 23 ways as a sum of consecutive naturals, for example, 145908121 + ... + 145984320.

Almost surely, 2^{11121102002100} is an apocalyptic number.

11121102002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121102002100 is an abundant number, since it is smaller than the sum of its proper divisors (21309315873868).

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

11121102002100 is a wasteful number, since it uses less digits than its factorization.

11121102002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291892585 (or 291892578 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11121102002100 its reverse (120020112111), we get a palindrome (11241122114211).

The spelling of 11121102002100 in words is "eleven trillion, one hundred twenty-one billion, one hundred two million, two thousand, one hundred".