111011012120273 has 2 divisors, whose sum is σ = 111011012120274. Its totient is φ = 111011012120272.

The previous prime is 111011012120221. The next prime is 111011012120317. The reversal of 111011012120273 is 372021210110111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72419980860049 + 38591031260224 = 8509993^2 + 6212168^2 .

It is an emirp because it is prime and its reverse (372021210110111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111011012120273 - 2⁴² = 106612965609169 is a prime.

It is not a weakly prime, because it can be changed into another prime (111011012620273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505506060136 + 55505506060137.

It is an arithmetic number, because the mean of its divisors is an integer number (55505506060137).

Almost surely, 2^{111011012120273} is an apocalyptic number.

It is an amenable number.

111011012120273 is a deficient number, since it is larger than the sum of its proper divisors (1).

111011012120273 is an equidigital number, since it uses as much as digits as its factorization.

111011012120273 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 23.

Adding to 111011012120273 its reverse (372021210110111), we get a palindrome (483032222230384).

The spelling of 111011012120273 in words is "one hundred eleven trillion, eleven billion, twelve million, one hundred twenty thousand, two hundred seventy-three".