11101212000247 has 2 divisors, whose sum is σ = 11101212000248. Its totient is φ = 11101212000246.

The previous prime is 11101212000211. The next prime is 11101212000413. The reversal of 11101212000247 is 74200021210111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11101212000247 - 2³¹ = 11099064516599 is a prime.

It is a super-2 number, since 2×11101212000247² (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 (11101212000847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550606000123 + 5550606000124.

It is an arithmetic number, because the mean of its divisors is an integer number (5550606000124).

Almost surely, 2^{11101212000247} is an apocalyptic number.

11101212000247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101212000247 is an equidigital number, since it uses as much as digits as its factorization.

11101212000247 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 11101212000247 its reverse (74200021210111), we get a palindrome (85301233210358).

The spelling of 11101212000247 in words is "eleven trillion, one hundred one billion, two hundred twelve million, two hundred forty-seven", and thus it is an aban number.