10012122212101 has 4 divisors (see below), whose sum is σ = 10055092693932. Its totient is φ = 9969151730272.

The previous prime is 10012122212077. The next prime is 10012122212119. The reversal of 10012122212101 is 10121222121001.

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 5260376189601 + 4751746022500 = 2293551^2 + 2179850^2 .

It is a cyclic number.

It is not a de Polignac number, because 10012122212101 - 2⁹ = 10012122211589 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 (10012122212201) 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, 21485240566 + ... + 21485241031.

It is an arithmetic number, because the mean of its divisors is an integer number (2513773173483).

Almost surely, 2^{10012122212101} is an apocalyptic number.

It is an amenable number.

10012122212101 is a deficient number, since it is larger than the sum of its proper divisors (42970481831).

10012122212101 is an equidigital number, since it uses as much as digits as its factorization.

10012122212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42970481830.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10012122212101 its reverse (10121222121001), we get a palindrome (20133344333102).

The spelling of 10012122212101 in words is "ten trillion, twelve billion, one hundred twenty-two million, two hundred twelve thousand, one hundred one".