10145231435021 has 2 divisors, whose sum is σ = 10145231435022. Its totient is φ = 10145231435020.

The previous prime is 10145231434939. The next prime is 10145231435023. The reversal of 10145231435021 is 12053413254101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9428516806921 + 716714628100 = 3070589^2 + 846590^2 .

It is an emirp because it is prime and its reverse (12053413254101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10145231435021 - 2⁴² = 5747184923917 is a prime.

Together with 10145231435023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10145231435023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5072615717510 + 5072615717511.

It is an arithmetic number, because the mean of its divisors is an integer number (5072615717511).

Almost surely, 2^{10145231435021} is an apocalyptic number.

It is an amenable number.

10145231435021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10145231435021 is an equidigital number, since it uses as much as digits as its factorization.

10145231435021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 10145231435021 its reverse (12053413254101), we get a palindrome (22198644689122).

The spelling of 10145231435021 in words is "ten trillion, one hundred forty-five billion, two hundred thirty-one million, four hundred thirty-five thousand, twenty-one".