12221011122202 has 8 divisors (see below), whose sum is σ = 18465323374836. Its totient is φ = 6065903330592.

The previous prime is 12221011122181. The next prime is 12221011122209. The reversal of 12221011122202 is 20222111012221.

It can be written as a sum of positive squares in 2 ways, for example, as 10644030225361 + 1576980896841 = 3262519^2 + 1255779^2 .

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

It is a super-2 number, since 2×12221011122202² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12221011122202.

It is not an unprimeable number, because it can be changed into a prime (12221011122209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22301114913 + ... + 22301115460.

Almost surely, 2^{12221011122202} is an apocalyptic number.

12221011122202 is a deficient number, since it is larger than the sum of its proper divisors (6244312252634).

12221011122202 is a wasteful number, since it uses less digits than its factorization.

12221011122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44602230512.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12221011122202 its reverse (20222111012221), we get a palindrome (32443122134423).

The spelling of 12221011122202 in words is "twelve trillion, two hundred twenty-one billion, eleven million, one hundred twenty-two thousand, two hundred two".