112221077 has 2 divisors, whose sum is σ = 112221078. Its totient is φ = 112221076.

The previous prime is 112221073. The next prime is 112221113. The reversal of 112221077 is 770122211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109641841 + 2579236 = 10471^2 + 1606^2 .

It is an emirp because it is prime and its reverse (770122211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112221077 - 2² = 112221073 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112221073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110538 + 56110539.

It is an arithmetic number, because the mean of its divisors is an integer number (56110539).

Almost surely, 2^112221077 is an apocalyptic number.

It is an amenable number.

112221077 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221077 is an equidigital number, since it uses as much as digits as its factorization.

112221077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 112221077 is about 10593.4450015092. The cubic root of 112221077 is about 482.3454033247.

Adding to 112221077 its reverse (770122211), we get a palindrome (882343288).

The spelling of 112221077 in words is "one hundred twelve million, two hundred twenty-one thousand, seventy-seven".