210020121202210 has 96 divisors (see below), whose sum is σ = 437415063724800. Its totient is φ = 72348487200000.

The previous prime is 210020121202193. The next prime is 210020121202259. The reversal of 210020121202210 is 12202121020012.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 608579710 + ... + 608924710.

It is an arithmetic number, because the mean of its divisors is an integer number (4556406913800).

Almost surely, 2^{210020121202210} is an apocalyptic number.

210020121202210 is an abundant number, since it is smaller than the sum of its proper divisors (227394942522590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210020121202210 is a wasteful number, since it uses less digits than its factorization.

210020121202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371528 (or 371517 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210020121202210 its reverse (12202121020012), we get a palindrome (222222242222222).

The spelling of 210020121202210 in words is "two hundred ten trillion, twenty billion, one hundred twenty-one million, two hundred two thousand, two hundred ten".