22100012100002 has 4 divisors (see below), whose sum is σ = 33150018150006. Its totient is φ = 11050006050000.

The previous prime is 22100012099929. The next prime is 22100012100031. The reversal of 22100012100002 is 20000121000122.

It is a happy number.

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., 21037440782281 + 1062571317721 = 4586659^2 + 1030811^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5525003024999 + ... + 5525003025002.

Almost surely, 2^{22100012100002} is an apocalyptic number.

22100012100002 is a deficient number, since it is larger than the sum of its proper divisors (11050006050004).

22100012100002 is a wasteful number, since it uses less digits than its factorization.

22100012100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11050006050003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22100012100002 its reverse (20000121000122), we get a palindrome (42100133100124).

The spelling of 22100012100002 in words is "twenty-two trillion, one hundred billion, twelve million, one hundred thousand, two".