210102100100122 has 8 divisors (see below), whose sum is σ = 315772311546900. Its totient is φ = 104844662917824.

The previous prime is 210102100100119. The next prime is 210102100100129. The reversal of 210102100100122 is 221001001201012.

It can be written as a sum of positive squares in 2 ways, for example, as 179395994666641 + 30706105433481 = 13393879^2 + 5541309^2 .

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 (210102100100129) 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, 103193564847 + ... + 103193566882.

Almost surely, 2^{210102100100122} is an apocalyptic number.

210102100100122 is a deficient number, since it is larger than the sum of its proper divisors (105670211446778).

210102100100122 is a wasteful number, since it uses less digits than its factorization.

210102100100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206387132240.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210102100100122 its reverse (221001001201012), we get a palindrome (431103101301134).

The spelling of 210102100100122 in words is "two hundred ten trillion, one hundred two billion, one hundred million, one hundred thousand, one hundred twenty-two".