100012221112 has 16 divisors (see below), whose sum is σ = 187526787840. Its totient is φ = 50005077696.

The previous prime is 100012221107. The next prime is 100012221121. The reversal of 100012221112 is 211122210001.

It is a junction number, because it is equal to n+sod(n) for n = 100012221092 and 100012221101.

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 3 ways as a sum of consecutive naturals, for example, 419593 + ... + 613255.

It is an arithmetic number, because the mean of its divisors is an integer number (11720424240).

Almost surely, 2^100012221112 is an apocalyptic number.

It is an amenable number.

100012221112 is a deficient number, since it is larger than the sum of its proper divisors (87514566728).

100012221112 is a wasteful number, since it uses less digits than its factorization.

100012221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258222 (or 258218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100012221112 its reverse (211122210001), we get a palindrome (311134431113).

The spelling of 100012221112 in words is "one hundred billion, twelve million, two hundred twenty-one thousand, one hundred twelve".