22100202000077 has 2 divisors, whose sum is σ = 22100202000078. Its totient is φ = 22100202000076.

The previous prime is 22100202000049. The next prime is 22100202000119. The reversal of 22100202000077 is 77000020200122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21201291324196 + 898910675881 = 4604486^2 + 948109^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100202000077 - 2¹² = 22100201995981 is a prime.

It is a super-2 number, since 2×22100202000077² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22100202000277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050101000038 + 11050101000039.

It is an arithmetic number, because the mean of its divisors is an integer number (11050101000039).

Almost surely, 2^{22100202000077} is an apocalyptic number.

It is an amenable number.

22100202000077 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100202000077 is an equidigital number, since it uses as much as digits as its factorization.

22100202000077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 23.

Adding to 22100202000077 its reverse (77000020200122), we get a palindrome (99100222200199).

The spelling of 22100202000077 in words is "twenty-two trillion, one hundred billion, two hundred two million, seventy-seven", and thus it is an aban number.