210100020121210 has 64 divisors (see below), whose sum is σ = 397023440163840. Its totient is φ = 79945054018560.

The previous prime is 210100020121163. The next prime is 210100020121249. The reversal of 210100020121210 is 12121020001012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 269149992 + ... + 269929468.

It is an arithmetic number, because the mean of its divisors is an integer number (6203491252560).

Almost surely, 2^{210100020121210} is an apocalyptic number.

210100020121210 is a deficient number, since it is larger than the sum of its proper divisors (186923420042630).

210100020121210 is a wasteful number, since it uses less digits than its factorization.

210100020121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794311.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210100020121210 its reverse (12121020001012), we get a palindrome (222221040122222).

The spelling of 210100020121210 in words is "two hundred ten trillion, one hundred billion, twenty million, one hundred twenty-one thousand, two hundred ten".