111430421297 has 4 divisors (see below), whose sum is σ = 120001992180. Its totient is φ = 102858850416.

The previous prime is 111430421279. The next prime is 111430421357. The reversal of 111430421297 is 792124034111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 792124034111 = 1879 ⋅421566809.

It can be written as a sum of positive squares in 2 ways, for example, as 8186449441 + 103243971856 = 90479^2 + 321316^2 .

It is a cyclic number.

It is not a de Polignac number, because 111430421297 - 2²² = 111426226993 is a prime.

It is a super-2 number, since 2×111430421297² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111430421257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4285785422 + ... + 4285785447.

It is an arithmetic number, because the mean of its divisors is an integer number (30000498045).

Almost surely, 2^111430421297 is an apocalyptic number.

It is an amenable number.

111430421297 is a deficient number, since it is larger than the sum of its proper divisors (8571570883).

111430421297 is an equidigital number, since it uses as much as digits as its factorization.

111430421297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8571570882.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 111430421297 in words is "one hundred eleven billion, four hundred thirty million, four hundred twenty-one thousand, two hundred ninety-seven".