210011001221010 has 64 divisors (see below), whose sum is σ = 550201955356800. Its totient is φ = 50878890247680.

The previous prime is 210011001220987. The next prime is 210011001221029. The reversal of 210011001221010 is 10122100110012.

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, 204910707 + ... + 205933046.

It is an arithmetic number, because the mean of its divisors is an integer number (8596905552450).

Almost surely, 2^{210011001221010} is an apocalyptic number.

210011001221010 is an abundant number, since it is smaller than the sum of its proper divisors (340190954135790).

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

210011001221010 is a wasteful number, since it uses less digits than its factorization.

210011001221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410845323.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 210011001221010 its reverse (10122100110012), we get a palindrome (220133101331022).

The spelling of 210011001221010 in words is "two hundred ten trillion, eleven billion, one million, two hundred twenty-one thousand, ten".