221002211222210 has 32 divisors (see below), whose sum is σ = 452836151379072. Its totient is φ = 76870334337280.

The previous prime is 221002211222207. The next prime is 221002211222227. The reversal of 221002211222210 is 12222112200122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43676323799 + ... + 43676328858.

It is an arithmetic number, because the mean of its divisors is an integer number (14151129730596).

Almost surely, 2^{221002211222210} is an apocalyptic number.

221002211222210 is an abundant number, since it is smaller than the sum of its proper divisors (231833940156862).

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

221002211222210 is a wasteful number, since it uses less digits than its factorization.

221002211222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87352652698.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221002211222210 its reverse (12222112200122), we get a palindrome (233224323422332).

The spelling of 221002211222210 in words is "two hundred twenty-one trillion, two billion, two hundred eleven million, two hundred twenty-two thousand, two hundred ten".