111030211273 has 2 divisors, whose sum is σ = 111030211274. Its totient is φ = 111030211272.

The previous prime is 111030211231. The next prime is 111030211373. The reversal of 111030211273 is 372112030111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92974376889 + 18055834384 = 304917^2 + 134372^2 .

It is a cyclic number.

It is not a de Polignac number, because 111030211273 - 2²¹ = 111028114121 is a prime.

It is not a weakly prime, because it can be changed into another prime (111030211373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55515105636 + 55515105637.

It is an arithmetic number, because the mean of its divisors is an integer number (55515105637).

Almost surely, 2^111030211273 is an apocalyptic number.

It is an amenable number.

111030211273 is a deficient number, since it is larger than the sum of its proper divisors (1).

111030211273 is an equidigital number, since it uses as much as digits as its factorization.

111030211273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

Adding to 111030211273 its reverse (372112030111), we get a palindrome (483142241384).

The spelling of 111030211273 in words is "one hundred eleven billion, thirty million, two hundred eleven thousand, two hundred seventy-three".