10012110212021 has 2 divisors, whose sum is σ = 10012110212022. Its totient is φ = 10012110212020.

The previous prime is 10012110212003. The next prime is 10012110212081. The reversal of 10012110212021 is 12021201121001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5843755072996 + 4168355139025 = 2417386^2 + 2041655^2 .

It is an emirp because it is prime and its reverse (12021201121001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10012110212021 - 2³⁸ = 9737232305077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10012110211987 and 10012110212005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10012110212081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006055106010 + 5006055106011.

It is an arithmetic number, because the mean of its divisors is an integer number (5006055106011).

Almost surely, 2^{10012110212021} is an apocalyptic number.

It is an amenable number.

10012110212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012110212021 is an equidigital number, since it uses as much as digits as its factorization.

10012110212021 is an evil number, because the sum of its binary digits is even.

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

Adding to 10012110212021 its reverse (12021201121001), we get a palindrome (22033311333022).

The spelling of 10012110212021 in words is "ten trillion, twelve billion, one hundred ten million, two hundred twelve thousand, twenty-one".