221002210222210 has 64 divisors (see below), whose sum is σ = 401759794755072. Its totient is φ = 87522811681536.

The previous prime is 221002210222181. The next prime is 221002210222231. The reversal of 221002210222210 is 12222012200122.

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, 15823162647 + ... + 15823176613.

It is an arithmetic number, because the mean of its divisors is an integer number (6277496793048).

Almost surely, 2^{221002210222210} is an apocalyptic number.

221002210222210 is a deficient number, since it is larger than the sum of its proper divisors (180757584532862).

221002210222210 is a wasteful number, since it uses less digits than its factorization.

221002210222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21787.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221002210222210 its reverse (12222012200122), we get a palindrome (233224222422332).

The spelling of 221002210222210 in words is "two hundred twenty-one trillion, two billion, two hundred ten million, two hundred twenty-two thousand, two hundred ten".