22101203101312 has 16 divisors (see below), whose sum is σ = 44029740553650. Its totient is φ = 11050601550592.

The previous prime is 22101203101297. The next prime is 22101203101363. The reversal of 22101203101312 is 21310130210122.

It can be written as a sum of positive squares in only one way, i.e., 18373430707776 + 3727772393536 = 4286424^2 + 1930744^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×22101203101312² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22101203101312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86332824487 + ... + 86332824742.

Almost surely, 2^{22101203101312} is an apocalyptic number.

It is an amenable number.

22101203101312 is a deficient number, since it is larger than the sum of its proper divisors (21928537452338).

22101203101312 is an equidigital number, since it uses as much as digits as its factorization.

22101203101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172665649243 (or 172665649231 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 22101203101312 its reverse (21310130210122), we get a palindrome (43411333311434).

The spelling of 22101203101312 in words is "twenty-two trillion, one hundred one billion, two hundred three million, one hundred one thousand, three hundred twelve".