100112200222021 has 16 divisors (see below), whose sum is σ = 108052510906368. Its totient is φ = 92206098518400.

The previous prime is 100112200221967. The next prime is 100112200222037. The reversal of 100112200222021 is 120222002211001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100112200222021 - 2¹⁹ = 100112199697733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100112200221986 and 100112200222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100112200222051) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 197647716 + ... + 198153586.

It is an arithmetic number, because the mean of its divisors is an integer number (6753281931648).

Almost surely, 2^{100112200222021} is an apocalyptic number.

It is an amenable number.

100112200222021 is a deficient number, since it is larger than the sum of its proper divisors (7940310684347).

100112200222021 is a wasteful number, since it uses less digits than its factorization.

100112200222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539652.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100112200222021 its reverse (120222002211001), we get a palindrome (220334202433022).

The spelling of 100112200222021 in words is "one hundred trillion, one hundred twelve billion, two hundred million, two hundred twenty-two thousand, twenty-one".