11011122012100 has 72 divisors (see below), whose sum is σ = 27314187405120. Its totient is φ = 3774328725120.

The previous prime is 11011122012083. The next prime is 11011122012157. The reversal of 11011122012100 is 121022111011.

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, 997062 + ... + 4797538.

It is an arithmetic number, because the mean of its divisors is an integer number (379363713960).

Almost surely, 2^{11011122012100} is an apocalyptic number.

11011122012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011122012100 is an abundant number, since it is smaller than the sum of its proper divisors (16303065393020).

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

11011122012100 is a wasteful number, since it uses less digits than its factorization.

11011122012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804637 (or 3804630 counting only the distinct ones).

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

Adding to 11011122012100 its reverse (121022111011), we get a palindrome (11132144123111).

The spelling of 11011122012100 in words is "eleven trillion, eleven billion, one hundred twenty-two million, twelve thousand, one hundred".