10121010202 has 4 divisors (see below), whose sum is σ = 15181515306. Its totient is φ = 5060505100.

The previous prime is 10121010191. The next prime is 10121010217. The reversal of 10121010202 is 20201012101.

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., 5383303641 + 4737706561 = 73371^2 + 68831^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530252549 + ... + 2530252552.

Almost surely, 2^10121010202 is an apocalyptic number.

10121010202 is a deficient number, since it is larger than the sum of its proper divisors (5060505104).

10121010202 is an equidigital number, since it uses as much as digits as its factorization.

10121010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060505103.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10121010202 its reverse (20201012101), we get a palindrome (30322022303).

The spelling of 10121010202 in words is "ten billion, one hundred twenty-one million, ten thousand, two hundred two".