22012122111202 has 8 divisors (see below), whose sum is σ = 33111719097516. Its totient is φ = 10974882412032.

The previous prime is 22012122111197. The next prime is 22012122111247. The reversal of 22012122111202 is 20211122121022.

It can be written as a sum of positive squares in 2 ways, for example, as 21786667129161 + 225454982041 = 4667619^2 + 474821^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 22012122111202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15589320903 + ... + 15589322314.

Almost surely, 2^{22012122111202} is an apocalyptic number.

22012122111202 is a deficient number, since it is larger than the sum of its proper divisors (11099596986314).

22012122111202 is a wasteful number, since it uses less digits than its factorization.

22012122111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31178643572.

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

Adding to 22012122111202 its reverse (20211122121022), we get a palindrome (42223244232224).

The spelling of 22012122111202 in words is "twenty-two trillion, twelve billion, one hundred twenty-two million, one hundred eleven thousand, two hundred two".