210021211021010 has 16 divisors (see below), whose sum is σ = 378038466536256. Its totient is φ = 84008420697648.

The previous prime is 210021211021007. The next prime is 210021211021043. The reversal of 210021211021010 is 10120112120012.

It is a super-2 number, since 2×210021211021010² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7268789 + ... + 21745751.

It is an arithmetic number, because the mean of its divisors is an integer number (23627404158516).

Almost surely, 2^{210021211021010} is an apocalyptic number.

210021211021010 is a deficient number, since it is larger than the sum of its proper divisors (168017255515246).

210021211021010 is a wasteful number, since it uses less digits than its factorization.

210021211021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15927697.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210021211021010 its reverse (10120112120012), we get a palindrome (220141323141022).

The spelling of 210021211021010 in words is "two hundred ten trillion, twenty-one billion, two hundred eleven million, twenty-one thousand, ten".