100012111122 has 64 divisors (see below), whose sum is σ = 251850083328. Its totient is φ = 25719960000.

The previous prime is 100012111097. The next prime is 100012111151. The reversal of 100012111122 is 221111210001.

It is a junction number, because it is equal to n+sod(n) for n = 100012111098 and 100012111107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1025004 + ... + 1118327.

It is an arithmetic number, because the mean of its divisors is an integer number (3935157552).

Almost surely, 2^100012111122 is an apocalyptic number.

100012111122 is an abundant number, since it is smaller than the sum of its proper divisors (151837972206).

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

100012111122 is a wasteful number, since it uses less digits than its factorization.

100012111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143455.

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

Adding to 100012111122 its reverse (221111210001), we get a palindrome (321123321123).

The spelling of 100012111122 in words is "one hundred billion, twelve million, one hundred eleven thousand, one hundred twenty-two".