210100000100002 has 4 divisors (see below), whose sum is σ = 315150000150006. Its totient is φ = 105050000050000.

The previous prime is 210100000099991. The next prime is 210100000100009. The reversal of 210100000100002 is 200001000001012.

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., 125892416792041 + 84207583307961 = 11220179^2 + 9176469^2 .

It is not an unprimeable number, because it can be changed into a prime (210100000100009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52525000024999 + ... + 52525000025002.

Almost surely, 2^{210100000100002} is an apocalyptic number.

210100000100002 is a deficient number, since it is larger than the sum of its proper divisors (105050000050004).

210100000100002 is a wasteful number, since it uses less digits than its factorization.

210100000100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105050000050003.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 210100000100002 its reverse (200001000001012), we get a palindrome (410101000101014).

The spelling of 210100000100002 in words is "two hundred ten trillion, one hundred billion, one hundred thousand, two".