111222130451 has 16 divisors (see below), whose sum is σ = 114241996800. Its totient is φ = 108250084800.

The previous prime is 111222130417. The next prime is 111222130457. The reversal of 111222130451 is 154031222111.

It is a cyclic number.

It is not a de Polignac number, because 111222130451 - 2³⁰ = 110148388627 is a prime.

It is a super-2 number, since 2×111222130451² (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 (111222130457) 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 15 ways as a sum of consecutive naturals, for example, 2303366 + ... + 2351156.

It is an arithmetic number, because the mean of its divisors is an integer number (7140124800).

Almost surely, 2^111222130451 is an apocalyptic number.

111222130451 is a deficient number, since it is larger than the sum of its proper divisors (3019866349).

111222130451 is an equidigital number, since it uses as much as digits as its factorization.

111222130451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48290.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 111222130451 its reverse (154031222111), we get a palindrome (265253352562).

The spelling of 111222130451 in words is "one hundred eleven billion, two hundred twenty-two million, one hundred thirty thousand, four hundred fifty-one".