210221001221102 has 16 divisors (see below), whose sum is σ = 323431217313072. Its totient is φ = 102422207946240.

The previous prime is 210221001221039. The next prime is 210221001221123. The reversal of 210221001221102 is 201122100122012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2903087603 + ... + 2903160014.

It is an arithmetic number, because the mean of its divisors is an integer number (20214451082067).

Almost surely, 2^{210221001221102} is an apocalyptic number.

210221001221102 is a deficient number, since it is larger than the sum of its proper divisors (113210216091970).

210221001221102 is a wasteful number, since it uses less digits than its factorization.

210221001221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5806248083.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210221001221102 its reverse (201122100122012), we get a palindrome (411343101343114).

The spelling of 210221001221102 in words is "two hundred ten trillion, two hundred twenty-one billion, one million, two hundred twenty-one thousand, one hundred two".