100011122012 has 24 divisors (see below), whose sum is σ = 176296594656. Its totient is φ = 49641254208.

The previous prime is 100011121993. The next prime is 100011122087. The reversal of 100011122012 is 210221110001.

It is a junction number, because it is equal to n+sod(n) for n = 100011121984 and 100011122002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613553 + ... + 759255.

It is an arithmetic number, because the mean of its divisors is an integer number (7345691444).

Almost surely, 2^100011122012 is an apocalyptic number.

It is an amenable number.

100011122012 is a deficient number, since it is larger than the sum of its proper divisors (76285472644).

100011122012 is a wasteful number, since it uses less digits than its factorization.

100011122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146957 (or 146955 counting only the distinct ones).

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

Adding to 100011122012 its reverse (210221110001), we get a palindrome (310232232013).

The spelling of 100011122012 in words is "one hundred billion, eleven million, one hundred twenty-two thousand, twelve".