221002222010212 has 24 divisors (see below), whose sum is σ = 387864519781760. Its totient is φ = 110183875996320.

The previous prime is 221002222010201. The next prime is 221002222010231. The reversal of 221002222010212 is 212010222200122.

It is a self number, because there is not a number n which added to its sum of digits gives 221002222010212.

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, 997614 + ... + 21047557.

Almost surely, 2^{221002222010212} is an apocalyptic number.

It is an amenable number.

221002222010212 is a deficient number, since it is larger than the sum of its proper divisors (166862297771548).

221002222010212 is a wasteful number, since it uses less digits than its factorization.

221002222010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22052371 (or 22052369 counting only the distinct ones).

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

Adding to 221002222010212 its reverse (212010222200122), we get a palindrome (433012444210334).

The spelling of 221002222010212 in words is "two hundred twenty-one trillion, two billion, two hundred twenty-two million, ten thousand, two hundred twelve".