22021010010073 has 2 divisors, whose sum is σ = 22021010010074. Its totient is φ = 22021010010072.

The previous prime is 22021010010053. The next prime is 22021010010137. The reversal of 22021010010073 is 37001001012022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20460179563849 + 1560830446224 = 4523293^2 + 1249332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22021010010073 is a prime.

It is a super-2 number, since 2×22021010010073² (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 22021010010073.

It is not a weakly prime, because it can be changed into another prime (22021010010053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010505005036 + 11010505005037.

It is an arithmetic number, because the mean of its divisors is an integer number (11010505005037).

Almost surely, 2^{22021010010073} is an apocalyptic number.

It is an amenable number.

22021010010073 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021010010073 is an equidigital number, since it uses as much as digits as its factorization.

22021010010073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 22021010010073 its reverse (37001001012022), we get a palindrome (59022011022095).

The spelling of 22021010010073 in words is "twenty-two trillion, twenty-one billion, ten million, ten thousand, seventy-three".