22012112220202 has 16 divisors (see below), whose sum is σ = 35690213419560. Its totient is φ = 10121668984512.

The previous prime is 22012112220199. The next prime is 22012112220229. The reversal of 22012112220202 is 20202221121022.

It can be written as a sum of positive squares in 4 ways, for example, as 10240838417161 + 11771273803041 = 3200131^2 + 3430929^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22012112220202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1573635573 + ... + 1573649560.

Almost surely, 2^{22012112220202} is an apocalyptic number.

22012112220202 is a deficient number, since it is larger than the sum of its proper divisors (13678101199358).

22012112220202 is a wasteful number, since it uses less digits than its factorization.

22012112220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147285417.

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

Adding to 22012112220202 its reverse (20202221121022), we get a palindrome (42214333341224).

The spelling of 22012112220202 in words is "twenty-two trillion, twelve billion, one hundred twelve million, two hundred twenty thousand, two hundred two".