210210012101002 has 4 divisors (see below), whose sum is σ = 315315018151506. Its totient is φ = 105105006050500.

The previous prime is 210210012100997. The next prime is 210210012101003. The reversal of 210210012101002 is 200101210012012.

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., 206704426173961 + 3505585927041 = 14377219^2 + 1872321^2 .

It is not an unprimeable number, because it can be changed into a prime (210210012101003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52552503025249 + ... + 52552503025252.

Almost surely, 2^{210210012101002} is an apocalyptic number.

210210012101002 is a deficient number, since it is larger than the sum of its proper divisors (105105006050504).

210210012101002 is a wasteful number, since it uses less digits than its factorization.

210210012101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105105006050503.

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

Adding to 210210012101002 its reverse (200101210012012), we get a palindrome (410311222113014).

The spelling of 210210012101002 in words is "two hundred ten trillion, two hundred ten billion, twelve million, one hundred one thousand, two".