22110001200061 has 2 divisors, whose sum is σ = 22110001200062. Its totient is φ = 22110001200060.

The previous prime is 22110001200059. The next prime is 22110001200101. The reversal of 22110001200061 is 16000210001122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20366320564836 + 1743680635225 = 4512906^2 + 1320485^2 .

It is a cyclic number.

It is not a de Polignac number, because 22110001200061 - 2¹ = 22110001200059 is a prime.

Together with 22110001200059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22110001200031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055000600030 + 11055000600031.

It is an arithmetic number, because the mean of its divisors is an integer number (11055000600031).

Almost surely, 2^{22110001200061} is an apocalyptic number.

It is an amenable number.

22110001200061 is a deficient number, since it is larger than the sum of its proper divisors (1).

22110001200061 is an equidigital number, since it uses as much as digits as its factorization.

22110001200061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22110001200061 its reverse (16000210001122), we get a palindrome (38110211201183).

The spelling of 22110001200061 in words is "twenty-two trillion, one hundred ten billion, one million, two hundred thousand, sixty-one".