1113214421 has 16 divisors (see below), whose sum is σ = 1279549440. Its totient is φ = 958591920.

The previous prime is 1113214409. The next prime is 1113214423. The reversal of 1113214421 is 1244123111.

It is a de Polignac number, because none of the positive numbers 2^k-1113214421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113214393 and 1113214402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113214423) 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, 4700 + ... + 47418.

It is an arithmetic number, because the mean of its divisors is an integer number (79971840).

Almost surely, 2^1113214421 is an apocalyptic number.

1113214421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1113214421 is a deficient number, since it is larger than the sum of its proper divisors (166335019).

1113214421 is a wasteful number, since it uses less digits than its factorization.

1113214421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42856.

The product of its digits is 192, while the sum is 20.

The square root of 1113214421 is about 33364.8680650771. The cubic root of 1113214421 is about 1036.3973039864.

Adding to 1113214421 its reverse (1244123111), we get a palindrome (2357337532).

The spelling of 1113214421 in words is "one billion, one hundred thirteen million, two hundred fourteen thousand, four hundred twenty-one".