100002012200122 has 4 divisors (see below), whose sum is σ = 150003018300186. Its totient is φ = 50001006100060.

The previous prime is 100002012200119. The next prime is 100002012200191. The reversal of 100002012200122 is 221002210200001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65951274439521 + 34050737760601 = 8121039^2 + 5835301^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25000503050029 + ... + 25000503050032.

Almost surely, 2^{100002012200122} is an apocalyptic number.

100002012200122 is a deficient number, since it is larger than the sum of its proper divisors (50001006100064).

100002012200122 is an equidigital number, since it uses as much as digits as its factorization.

100002012200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50001006100063.

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

Adding to 100002012200122 its reverse (221002210200001), we get a palindrome (321004222400123).

The spelling of 100002012200122 in words is "one hundred trillion, two billion, twelve million, two hundred thousand, one hundred twenty-two".