11221222212202 has 8 divisors (see below), whose sum is σ = 16831963541412. Its totient is φ = 5610567698400.

The previous prime is 11221222212133. The next prime is 11221222212223. The reversal of 11221222212202 is 20221222212211.

It can be written as a sum of positive squares in 2 ways, for example, as 11181807654241 + 39414557961 = 3343921^2 + 198531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21379749 + ... + 21898312.

Almost surely, 2^{11221222212202} is an apocalyptic number.

11221222212202 is a deficient number, since it is larger than the sum of its proper divisors (5610741329210).

11221222212202 is a wasteful number, since it uses less digits than its factorization.

11221222212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43407704.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11221222212202 its reverse (20221222212211), we get a palindrome (31442444424413).

Subtracting 11221222212202 from its reverse (20221222212211), we obtain a palindrome (9000000000009).

The spelling of 11221222212202 in words is "eleven trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred twelve thousand, two hundred two".