10212102100202 has 4 divisors (see below), whose sum is σ = 15318153150306. Its totient is φ = 5106051050100.

The previous prime is 10212102100201. The next prime is 10212102100229. The reversal of 10212102100202 is 20200120121201.

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., 10201246335721 + 10855764481 = 3193939^2 + 104191^2 .

It is not an unprimeable number, because it can be changed into a prime (10212102100201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2553025525049 + ... + 2553025525052.

Almost surely, 2^{10212102100202} is an apocalyptic number.

10212102100202 is a deficient number, since it is larger than the sum of its proper divisors (5106051050104).

10212102100202 is an equidigital number, since it uses as much as digits as its factorization.

10212102100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5106051050103.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10212102100202 its reverse (20200120121201), we get a palindrome (30412222221403).

The spelling of 10212102100202 in words is "ten trillion, two hundred twelve billion, one hundred two million, one hundred thousand, two hundred two".