111230130213221 has 4 divisors (see below), whose sum is σ = 111587783365344. Its totient is φ = 110872477061100.

The previous prime is 111230130213211. The next prime is 111230130213263. The reversal of 111230130213221 is 122312031032111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111230130213221 - 2⁶ = 111230130213157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111230130213211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178826575595 + ... + 178826576216.

It is an arithmetic number, because the mean of its divisors is an integer number (27896945841336).

Almost surely, 2^{111230130213221} is an apocalyptic number.

It is an amenable number.

111230130213221 is a deficient number, since it is larger than the sum of its proper divisors (357653152123).

111230130213221 is an equidigital number, since it uses as much as digits as its factorization.

111230130213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357653152122.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 111230130213221 its reverse (122312031032111), we get a palindrome (233542161245332).

The spelling of 111230130213221 in words is "one hundred eleven trillion, two hundred thirty billion, one hundred thirty million, two hundred thirteen thousand, two hundred twenty-one".