11213033173 has 2 divisors, whose sum is σ = 11213033174. Its totient is φ = 11213033172.

The previous prime is 11213033171. The next prime is 11213033201. The reversal of 11213033173 is 37133031211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10351434564 + 861598609 = 101742^2 + 29353^2 .

It is an emirp because it is prime and its reverse (37133031211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11213033173 - 2¹ = 11213033171 is a prime.

It is a super-2 number, since 2×11213033173² (a number of 21 digits) contains 22 as substring.

Together with 11213033171, 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 (11213033171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606516586 + 5606516587.

It is an arithmetic number, because the mean of its divisors is an integer number (5606516587).

Almost surely, 2^11213033173 is an apocalyptic number.

It is an amenable number.

11213033173 is a deficient number, since it is larger than the sum of its proper divisors (1).

11213033173 is an equidigital number, since it uses as much as digits as its factorization.

11213033173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

Adding to 11213033173 its reverse (37133031211), we get a palindrome (48346064384).

The spelling of 11213033173 in words is "eleven billion, two hundred thirteen million, thirty-three thousand, one hundred seventy-three".