22021606103499 has 12 divisors (see below), whose sum is σ = 31809478944256. Its totient is φ = 14680843497072.

The previous prime is 22021606103489. The next prime is 22021606103507. The reversal of 22021606103499 is 99430160612022.

22021606103499 is a `hidden beast` number, since 2 + 2 + 0 + 2 + 1 + 606 + 1 + 0 + 34 + 9 + 9 = 666.

It is not a de Polignac number, because 22021606103499 - 2¹⁵ = 22021606070731 is a prime.

It is a super-2 number, since 2×22021606103499² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021606103449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18321739 + ... + 19486644.

Almost surely, 2^{22021606103499} is an apocalyptic number.

22021606103499 is a deficient number, since it is larger than the sum of its proper divisors (9787872840757).

22021606103499 is a wasteful number, since it uses less digits than its factorization.

22021606103499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37873106 (or 37873103 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 22021606103499 in words is "twenty-two trillion, twenty-one billion, six hundred six million, one hundred three thousand, four hundred ninety-nine".