342041011021 has 2 divisors, whose sum is σ = 342041011022. Its totient is φ = 342041011020.

The previous prime is 342041010991. The next prime is 342041011027. The reversal of 342041011021 is 120110140243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320435244900 + 21605766121 = 566070^2 + 146989^2 .

It is a cyclic number.

It is not a de Polignac number, because 342041011021 - 2¹³ = 342041002829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342041011021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342041011027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171020505510 + 171020505511.

It is an arithmetic number, because the mean of its divisors is an integer number (171020505511).

Almost surely, 2^342041011021 is an apocalyptic number.

It is an amenable number.

342041011021 is a deficient number, since it is larger than the sum of its proper divisors (1).

342041011021 is an equidigital number, since it uses as much as digits as its factorization.

342041011021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 342041011021 its reverse (120110140243), we get a palindrome (462151151264).

The spelling of 342041011021 in words is "three hundred forty-two billion, forty-one million, eleven thousand, twenty-one".