11111010220273 has 2 divisors, whose sum is σ = 11111010220274. Its totient is φ = 11111010220272.

The previous prime is 11111010220181. The next prime is 11111010220283. The reversal of 11111010220273 is 37202201011111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7990074595584 + 3120935624689 = 2826672^2 + 1766617^2 .

It is an emirp because it is prime and its reverse (37202201011111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11111010220273 - 2⁹ = 11111010219761 is a prime.

It is a super-2 number, since 2×11111010220273² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11111010220283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555505110136 + 5555505110137.

It is an arithmetic number, because the mean of its divisors is an integer number (5555505110137).

Almost surely, 2^{11111010220273} is an apocalyptic number.

It is an amenable number.

11111010220273 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111010220273 is an equidigital number, since it uses as much as digits as its factorization.

11111010220273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 22.

Adding to 11111010220273 its reverse (37202201011111), we get a palindrome (48313211231384).

The spelling of 11111010220273 in words is "eleven trillion, one hundred eleven billion, ten million, two hundred twenty thousand, two hundred seventy-three".