221002112020210 has 32 divisors (see below), whose sum is σ = 407066429626560. Its totient is φ = 86342597949888.

The previous prime is 221002112020199. The next prime is 221002112020231. The reversal of 221002112020210 is 12020211200122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8259289 + ... + 22588051.

It is an arithmetic number, because the mean of its divisors is an integer number (12720825925830).

Almost surely, 2^{221002112020210} is an apocalyptic number.

221002112020210 is a deficient number, since it is larger than the sum of its proper divisors (186064317606350).

221002112020210 is a wasteful number, since it uses less digits than its factorization.

221002112020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14364682.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221002112020210 its reverse (12020211200122), we get a palindrome (233022323220332).

The spelling of 221002112020210 in words is "two hundred twenty-one trillion, two billion, one hundred twelve million, twenty thousand, two hundred ten".