111421030513 has 8 divisors (see below), whose sum is σ = 125208917568. Its totient is φ = 98378434704.

The previous prime is 111421030507. The next prime is 111421030541. The reversal of 111421030513 is 315030124111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-111421030513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111421030543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186322495 + ... + 186323092.

It is an arithmetic number, because the mean of its divisors is an integer number (15651114696).

Almost surely, 2^111421030513 is an apocalyptic number.

111421030513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111421030513 is a deficient number, since it is larger than the sum of its proper divisors (13787887055).

111421030513 is a wasteful number, since it uses less digits than its factorization.

111421030513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372645623.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 111421030513 its reverse (315030124111), we get a palindrome (426451154624).

The spelling of 111421030513 in words is "one hundred eleven billion, four hundred twenty-one million, thirty thousand, five hundred thirteen".