100022222112 has 48 divisors (see below), whose sum is σ = 263735781120. Its totient is φ = 33191223552.

The previous prime is 100022222087. The next prime is 100022222143. The reversal of 100022222112 is 211222220001.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 100022222091 and 100022222100.

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 7 ways as a sum of consecutive naturals, for example, 2314687 + ... + 2357502.

It is an arithmetic number, because the mean of its divisors is an integer number (5494495440).

Almost surely, 2^100022222112 is an apocalyptic number.

100022222112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100022222112 is an abundant number, since it is smaller than the sum of its proper divisors (163713559008).

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

100022222112 is a wasteful number, since it uses less digits than its factorization.

100022222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672425 (or 4672417 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100022222112 its reverse (211222220001), we get a palindrome (311244442113).

The spelling of 100022222112 in words is "one hundred billion, twenty-two million, two hundred twenty-two thousand, one hundred twelve".