210034314421 has 2 divisors, whose sum is σ = 210034314422. Its totient is φ = 210034314420.

The previous prime is 210034314409. The next prime is 210034314481. The reversal of 210034314421 is 124413430012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210034307025 + 7396 = 458295^2 + 86^2 .

It is a cyclic number.

It is not a de Polignac number, because 210034314421 - 2⁵ = 210034314389 is a prime.

It is a super-2 number, since 2×210034314421² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210034314481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105017157210 + 105017157211.

It is an arithmetic number, because the mean of its divisors is an integer number (105017157211).

Almost surely, 2^210034314421 is an apocalyptic number.

It is an amenable number.

210034314421 is a deficient number, since it is larger than the sum of its proper divisors (1).

210034314421 is an equidigital number, since it uses as much as digits as its factorization.

210034314421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 210034314421 its reverse (124413430012), we get a palindrome (334447744433).

The spelling of 210034314421 in words is "two hundred ten billion, thirty-four million, three hundred fourteen thousand, four hundred twenty-one".