22021122110002 has 24 divisors (see below), whose sum is σ = 34133129678700. Its totient is φ = 10654902105120.

The previous prime is 22021122109963. The next prime is 22021122110101. The reversal of 22021122110002 is 20001122112022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19624288664761 + 2396833445241 = 4429931^2 + 1548171^2 .

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 11 ways as a sum of consecutive naturals, for example, 44476824 + ... + 44969212.

Almost surely, 2^{22021122110002} is an apocalyptic number.

22021122110002 is a deficient number, since it is larger than the sum of its proper divisors (12112007568698).

22021122110002 is a wasteful number, since it uses less digits than its factorization.

22021122110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515722 (or 515691 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22021122110002 its reverse (20001122112022), we get a palindrome (42022244222024).

The spelling of 22021122110002 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-two million, one hundred ten thousand, two".