22100210102312 has 8 divisors (see below), whose sum is σ = 41437893941850. Its totient is φ = 11050105051152.

The previous prime is 22100210102281. The next prime is 22100210102317. The reversal of 22100210102312 is 21320101200122.

It can be written as a sum of positive squares in only one way, i.e., 17787086940676 + 4313123161636 = 4217474^2 + 2076806^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22100210102317) by changing a digit.

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 as a sum of consecutive naturals, namely, 1381263131387 + ... + 1381263131402.

Almost surely, 2^{22100210102312} is an apocalyptic number.

It is an amenable number.

22100210102312 is a deficient number, since it is larger than the sum of its proper divisors (19337683839538).

22100210102312 is a wasteful number, since it uses less digits than its factorization.

22100210102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762526262795 (or 2762526262791 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22100210102312 its reverse (21320101200122), we get a palindrome (43420311302434).

The spelling of 22100210102312 in words is "twenty-two trillion, one hundred billion, two hundred ten million, one hundred two thousand, three hundred twelve".