210021111112010 has 64 divisors (see below), whose sum is σ = 415386839741184. Its totient is φ = 75819748032000.

The previous prime is 210021111111997. The next prime is 210021111112019. The reversal of 210021111112010 is 10211111120012.

It is a super-2 number, since 2×210021111112010² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210021111112019) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 23707364 + ... + 31338176.

It is an arithmetic number, because the mean of its divisors is an integer number (6490419370956).

Almost surely, 2^{210021111112010} is an apocalyptic number.

210021111112010 is a deficient number, since it is larger than the sum of its proper divisors (205365728629174).

210021111112010 is a wasteful number, since it uses less digits than its factorization.

210021111112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7632639.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 210021111112010 its reverse (10211111120012), we get a palindrome (220232222232022).

The spelling of 210021111112010 in words is "two hundred ten trillion, twenty-one billion, one hundred eleven million, one hundred twelve thousand, ten".