22011012102061 has 2 divisors, whose sum is σ = 22011012102062. Its totient is φ = 22011012102060.

The previous prime is 22011012102017. The next prime is 22011012102127. The reversal of 22011012102061 is 16020121011022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22010688318025 + 323784036 = 4691555^2 + 17994^2 .

It is a cyclic number.

It is not a de Polignac number, because 22011012102061 - 2³¹ = 22008864618413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22011012102161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005506051030 + 11005506051031.

It is an arithmetic number, because the mean of its divisors is an integer number (11005506051031).

Almost surely, 2^{22011012102061} is an apocalyptic number.

It is an amenable number.

22011012102061 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011012102061 is an equidigital number, since it uses as much as digits as its factorization.

22011012102061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 22011012102061 its reverse (16020121011022), we get a palindrome (38031133113083).

The spelling of 22011012102061 in words is "twenty-two trillion, eleven billion, twelve million, one hundred two thousand, sixty-one".