100002221122 has 8 divisors (see below), whose sum is σ = 150007869900. Its totient is φ = 49999597824.

The previous prime is 100002221119. The next prime is 100002221129. The reversal of 100002221122 is 221122200001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 86153403361 + 13848817761 = 293519^2 + 117681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (100002221129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671847 + ... + 807082.

Almost surely, 2^100002221122 is an apocalyptic number.

100002221122 is a deficient number, since it is larger than the sum of its proper divisors (50005648778).

100002221122 is a wasteful number, since it uses less digits than its factorization.

100002221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512740.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100002221122 its reverse (221122200001), we get a palindrome (321124421123).

The spelling of 100002221122 in words is "one hundred billion, two million, two hundred twenty-one thousand, one hundred twenty-two".