1111230421 has 8 divisors (see below), whose sum is σ = 1300953024. Its totient is φ = 929251680.

The previous prime is 1111230397. The next prime is 1111230437. The reversal of 1111230421 is 1240321111.

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

It is not a de Polignac number, because 1111230421 - 2¹¹ = 1111228373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111230395 and 1111230404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111230121) 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, 1935655 + ... + 1936228.

It is an arithmetic number, because the mean of its divisors is an integer number (162619128).

Almost surely, 2^1111230421 is an apocalyptic number.

It is an amenable number.

1111230421 is a deficient number, since it is larger than the sum of its proper divisors (189722603).

1111230421 is an equidigital number, since it uses as much as digits as its factorization.

1111230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3871931.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1111230421 is about 33335.1229336266. The cubic root of 1111230421 is about 1035.7812396809.

Adding to 1111230421 its reverse (1240321111), we get a palindrome (2351551532).

The spelling of 1111230421 in words is "one billion, one hundred eleven million, two hundred thirty thousand, four hundred twenty-one".