10201012212101 has 4 divisors (see below), whose sum is σ = 10201130808492. Its totient is φ = 10200893615712.

The previous prime is 10201012212043. The next prime is 10201012212119. The reversal of 10201012212101 is 10121221010201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6763692504100 + 3437319708001 = 2600710^2 + 1854001^2 .

It is a cyclic number.

It is not a de Polignac number, because 10201012212101 - 2¹⁸ = 10201011949957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201012212401) 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, 59169080 + ... + 59341233.

It is an arithmetic number, because the mean of its divisors is an integer number (2550282702123).

Almost surely, 2^{10201012212101} is an apocalyptic number.

It is an amenable number.

10201012212101 is a deficient number, since it is larger than the sum of its proper divisors (118596391).

10201012212101 is an equidigital number, since it uses as much as digits as its factorization.

10201012212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118596390.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10201012212101 its reverse (10121221010201), we get a palindrome (20322233222302).

The spelling of 10201012212101 in words is "ten trillion, two hundred one billion, twelve million, two hundred twelve thousand, one hundred one".