11121011221100 has 36 divisors (see below), whose sum is σ = 26326466566008. Its totient is φ = 4044004080000.

The previous prime is 11121011221093. The next prime is 11121011221123. The reversal of 11121011221100 is 112211012111.

It is a super-2 number, since 2×11121011221100² (a number of 27 digits) contains 22 as substring.

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, 5055004001 + ... + 5055006200.

Almost surely, 2^{11121011221100} is an apocalyptic number.

11121011221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121011221100 is an abundant number, since it is smaller than the sum of its proper divisors (15205455344908).

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

11121011221100 is a wasteful number, since it uses less digits than its factorization.

11121011221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110010226 (or 10110010219 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11121011221100 its reverse (112211012111), we get a palindrome (11233222233211).

The spelling of 11121011221100 in words is "eleven trillion, one hundred twenty-one billion, eleven million, two hundred twenty-one thousand, one hundred".