210034315410421 has 2 divisors, whose sum is σ = 210034315410422. Its totient is φ = 210034315410420.

The previous prime is 210034315410407. The next prime is 210034315410433. The reversal of 210034315410421 is 124014513430012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201582096557521 + 8452218852900 = 14197961^2 + 2907270^2 .

It is a cyclic number.

It is not a de Polignac number, because 210034315410421 - 2²⁵ = 210034281855989 is a prime.

It is a super-2 number, since 2×210034315410421² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210034315413421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105017157705210 + 105017157705211.

It is an arithmetic number, because the mean of its divisors is an integer number (105017157705211).

Almost surely, 2^{210034315410421} is an apocalyptic number.

It is an amenable number.

210034315410421 is a deficient number, since it is larger than the sum of its proper divisors (1).

210034315410421 is an equidigital number, since it uses as much as digits as its factorization.

210034315410421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 210034315410421 its reverse (124014513430012), we get a palindrome (334048828840433).

The spelling of 210034315410421 in words is "two hundred ten trillion, thirty-four billion, three hundred fifteen million, four hundred ten thousand, four hundred twenty-one".