111442006213 has 2 divisors, whose sum is σ = 111442006214. Its totient is φ = 111442006212.

The previous prime is 111442006187. The next prime is 111442006223. The reversal of 111442006213 is 312600244111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111000249889 + 441756324 = 333167^2 + 21018^2 .

It is a cyclic number.

It is not a de Polignac number, because 111442006213 - 2¹⁷ = 111441875141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111442006223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55721003106 + 55721003107.

It is an arithmetic number, because the mean of its divisors is an integer number (55721003107).

Almost surely, 2^111442006213 is an apocalyptic number.

It is an amenable number.

111442006213 is a deficient number, since it is larger than the sum of its proper divisors (1).

111442006213 is an equidigital number, since it uses as much as digits as its factorization.

111442006213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 111442006213 in words is "one hundred eleven billion, four hundred forty-two million, six thousand, two hundred thirteen".