10142366662121 has 2 divisors, whose sum is σ = 10142366662122. Its totient is φ = 10142366662120.

The previous prime is 10142366662111. The next prime is 10142366662163. The reversal of 10142366662121 is 12126666324101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9940374842896 + 201991819225 = 3152836^2 + 449435^2 .

It is a cyclic number.

It is not a de Polignac number, because 10142366662121 - 2³⁴ = 10125186792937 is a prime.

It is not a weakly prime, because it can be changed into another prime (10142366662111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5071183331060 + 5071183331061.

It is an arithmetic number, because the mean of its divisors is an integer number (5071183331061).

Almost surely, 2^{10142366662121} is an apocalyptic number.

It is an amenable number.

10142366662121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10142366662121 is an equidigital number, since it uses as much as digits as its factorization.

10142366662121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 10142366662121 in words is "ten trillion, one hundred forty-two billion, three hundred sixty-six million, six hundred sixty-two thousand, one hundred twenty-one".