111001225429 has 2 divisors, whose sum is σ = 111001225430. Its totient is φ = 111001225428.

The previous prime is 111001225393. The next prime is 111001225441. The reversal of 111001225429 is 924522100111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65115301329 + 45885924100 = 255177^2 + 214210^2 .

It is an emirp because it is prime and its reverse (924522100111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111001225429 - 2⁷ = 111001225301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111001225397 and 111001225406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111001205429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500612714 + 55500612715.

It is an arithmetic number, because the mean of its divisors is an integer number (55500612715).

Almost surely, 2^111001225429 is an apocalyptic number.

It is an amenable number.

111001225429 is a deficient number, since it is larger than the sum of its proper divisors (1).

111001225429 is an equidigital number, since it uses as much as digits as its factorization.

111001225429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 111001225429 in words is "one hundred eleven billion, one million, two hundred twenty-five thousand, four hundred twenty-nine".