10145023662121 has 2 divisors, whose sum is σ = 10145023662122. Its totient is φ = 10145023662120.

The previous prime is 10145023662119. The next prime is 10145023662131. The reversal of 10145023662121 is 12126632054101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10105653165721 + 39370496400 = 3178939^2 + 198420^2 .

It is a cyclic number.

It is not a de Polignac number, because 10145023662121 - 2¹ = 10145023662119 is a prime.

Together with 10145023662119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10145023662101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5072511831060 + 5072511831061.

It is an arithmetic number, because the mean of its divisors is an integer number (5072511831061).

Almost surely, 2^{10145023662121} is an apocalyptic number.

It is an amenable number.

10145023662121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10145023662121 is an equidigital number, since it uses as much as digits as its factorization.

10145023662121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 10145023662121 in words is "ten trillion, one hundred forty-five billion, twenty-three million, six hundred sixty-two thousand, one hundred twenty-one".