10101212210203 has 4 divisors (see below), whose sum is σ = 10101222522720. Its totient is φ = 10101201897688.

The previous prime is 10101212210191. The next prime is 10101212210213. The reversal of 10101212210203 is 30201221210101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10101212210203 - 2⁹ = 10101212209691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10101212210213) 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, 3512275 + ... + 5704252.

It is an arithmetic number, because the mean of its divisors is an integer number (2525305630680).

Almost surely, 2^{10101212210203} is an apocalyptic number.

10101212210203 is a deficient number, since it is larger than the sum of its proper divisors (10312517).

10101212210203 is an equidigital number, since it uses as much as digits as its factorization.

10101212210203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10312516.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10101212210203 its reverse (30201221210101), we get a palindrome (40302433420304).

The spelling of 10101212210203 in words is "ten trillion, one hundred one billion, two hundred twelve million, two hundred ten thousand, two hundred three".