22122122210001 has 36 divisors (see below), whose sum is σ = 36971774526960. Its totient is φ = 12701696950800.

The previous prime is 22122122209987. The next prime is 22122122210053. The reversal of 22122122210001 is 10001222122122.

It is a happy number.

22122122210001 is a `hidden beast` number, since 221 + 221 + 2 + 221 + 0 + 0 + 0 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-22122122210001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22122122210401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 534562515 + ... + 534603896.

It is an arithmetic number, because the mean of its divisors is an integer number (1026993736860).

Almost surely, 2^{22122122210001} is an apocalyptic number.

It is an amenable number.

22122122210001 is a deficient number, since it is larger than the sum of its proper divisors (14849652316959).

22122122210001 is a wasteful number, since it uses less digits than its factorization.

22122122210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069166458 (or 1069166444 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22122122210001 its reverse (10001222122122), we get a palindrome (32123344332123).

The spelling of 22122122210001 in words is "twenty-two trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred ten thousand, one".