12211131322202 has 4 divisors (see below), whose sum is σ = 18316696983306. Its totient is φ = 6105565661100.

The previous prime is 12211131322189. The next prime is 12211131322231. The reversal of 12211131322202 is 20222313111221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10935065126041 + 1276066196161 = 3306821^2 + 1129631^2 .

It is a super-2 number, since 2×12211131322202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052782830549 + ... + 3052782830552.

Almost surely, 2^{12211131322202} is an apocalyptic number.

12211131322202 is a deficient number, since it is larger than the sum of its proper divisors (6105565661104).

12211131322202 is an equidigital number, since it uses as much as digits as its factorization.

12211131322202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105565661103.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12211131322202 its reverse (20222313111221), we get a palindrome (32433444433423).

The spelling of 12211131322202 in words is "twelve trillion, two hundred eleven billion, one hundred thirty-one million, three hundred twenty-two thousand, two hundred two".