342211403021 has 2 divisors, whose sum is σ = 342211403022. Its totient is φ = 342211403020.

The previous prime is 342211403011. The next prime is 342211403041. The reversal of 342211403021 is 120304112243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295462909225 + 46748493796 = 543565^2 + 216214^2 .

It is a cyclic number.

It is not a de Polignac number, because 342211403021 - 2¹⁴ = 342211386637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342211403011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171105701510 + 171105701511.

It is an arithmetic number, because the mean of its divisors is an integer number (171105701511).

Almost surely, 2^342211403021 is an apocalyptic number.

It is an amenable number.

342211403021 is a deficient number, since it is larger than the sum of its proper divisors (1).

342211403021 is an equidigital number, since it uses as much as digits as its factorization.

342211403021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 342211403021 its reverse (120304112243), we get a palindrome (462515515264).

The spelling of 342211403021 in words is "three hundred forty-two billion, two hundred eleven million, four hundred three thousand, twenty-one".