22012100111047 has 2 divisors, whose sum is σ = 22012100111048. Its totient is φ = 22012100111046.

The previous prime is 22012100111021. The next prime is 22012100111129. The reversal of 22012100111047 is 74011100121022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22012100111047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012100111017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006050055523 + 11006050055524.

It is an arithmetic number, because the mean of its divisors is an integer number (11006050055524).

Almost surely, 2^{22012100111047} is an apocalyptic number.

22012100111047 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012100111047 is an equidigital number, since it uses as much as digits as its factorization.

22012100111047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 22012100111047 its reverse (74011100121022), we get a palindrome (96023200232069).

The spelling of 22012100111047 in words is "twenty-two trillion, twelve billion, one hundred million, one hundred eleven thousand, forty-seven".