210330210421402 has 8 divisors (see below), whose sum is σ = 334053863610516. Its totient is φ = 98978922551232.

The previous prime is 210330210421343. The next prime is 210330210421417. The reversal of 210330210421402 is 204124012033012.

It can be written as a sum of positive squares in 2 ways, for example, as 205894633242841 + 4435577178561 = 14349029^2 + 2106081^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×210330210421402² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3093091329693 + ... + 3093091329760.

Almost surely, 2^{210330210421402} is an apocalyptic number.

210330210421402 is a deficient number, since it is larger than the sum of its proper divisors (123723653189114).

210330210421402 is a wasteful number, since it uses less digits than its factorization.

210330210421402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6186182659472.

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

Adding to 210330210421402 its reverse (204124012033012), we get a palindrome (414454222454414).

The spelling of 210330210421402 in words is "two hundred ten trillion, three hundred thirty billion, two hundred ten million, four hundred twenty-one thousand, four hundred two".