142301027021 has 2 divisors, whose sum is σ = 142301027022. Its totient is φ = 142301027020.

The previous prime is 142301026951. The next prime is 142301027039. The reversal of 142301027021 is 120720103241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134899005796 + 7402021225 = 367286^2 + 86035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142301027021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142301027051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71150513510 + 71150513511.

It is an arithmetic number, because the mean of its divisors is an integer number (71150513511).

Almost surely, 2^142301027021 is an apocalyptic number.

It is an amenable number.

142301027021 is a deficient number, since it is larger than the sum of its proper divisors (1).

142301027021 is an equidigital number, since it uses as much as digits as its factorization.

142301027021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The spelling of 142301027021 in words is "one hundred forty-two billion, three hundred one million, twenty-seven thousand, twenty-one".