111022232221009 has 2 divisors, whose sum is σ = 111022232221010. Its totient is φ = 111022232221008.

The previous prime is 111022232221001. The next prime is 111022232221039. The reversal of 111022232221009 is 900122232220111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68909141129409 + 42113091091600 = 8301153^2 + 6489460^2 .

It is a cyclic number.

It is not a de Polignac number, because 111022232221009 - 2³ = 111022232221001 is a prime.

It is not a weakly prime, because it can be changed into another prime (111022232221001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55511116110504 + 55511116110505.

It is an arithmetic number, because the mean of its divisors is an integer number (55511116110505).

Almost surely, 2^{111022232221009} is an apocalyptic number.

It is an amenable number.

111022232221009 is a deficient number, since it is larger than the sum of its proper divisors (1).

111022232221009 is an equidigital number, since it uses as much as digits as its factorization.

111022232221009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 111022232221009 in words is "one hundred eleven trillion, twenty-two billion, two hundred thirty-two million, two hundred twenty-one thousand, nine".