111300001221 has 16 divisors (see below), whose sum is σ = 152041615488. Its totient is φ = 72400742400.

The previous prime is 111300001193. The next prime is 111300001229. The reversal of 111300001221 is 122100003111.

It is not a de Polignac number, because 111300001221 - 2³⁴ = 94120132037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111300001197 and 111300001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111300001229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2672820 + ... + 2714141.

It is an arithmetic number, because the mean of its divisors is an integer number (9502600968).

Almost surely, 2^111300001221 is an apocalyptic number.

It is an amenable number.

111300001221 is a deficient number, since it is larger than the sum of its proper divisors (40741614267).

111300001221 is an equidigital number, since it uses as much as digits as its factorization.

111300001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5387132.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 111300001221 its reverse (122100003111), we get a palindrome (233400004332).

The spelling of 111300001221 in words is "one hundred eleven billion, three hundred million, one thousand, two hundred twenty-one".