100002212122 has 8 divisors (see below), whose sum is σ = 158827042836. Its totient is φ = 47059864512.

The previous prime is 100002212119. The next prime is 100002212153. The reversal of 100002212122 is 221212200001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99345366481 + 656845641 = 315191^2 + 25629^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1470620733 + ... + 1470620800.

Almost surely, 2^100002212122 is an apocalyptic number.

100002212122 is a deficient number, since it is larger than the sum of its proper divisors (58824830714).

100002212122 is a wasteful number, since it uses less digits than its factorization.

100002212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941241552.

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

Adding to 100002212122 its reverse (221212200001), we get a palindrome (321214412123).

The spelling of 100002212122 in words is "one hundred billion, two million, two hundred twelve thousand, one hundred twenty-two".