113233021 has 8 divisors (see below), whose sum is σ = 126540288. Its totient is φ = 100428000.

The previous prime is 113232983. The next prime is 113233031. The reversal of 113233021 is 120332311.

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

It is a cyclic number.

It is not a de Polignac number, because 113233021 - 2¹¹ = 113230973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113232986 and 113233004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113233031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125085 + ... + 125986.

It is an arithmetic number, because the mean of its divisors is an integer number (15817536).

Almost surely, 2^113233021 is an apocalyptic number.

113233021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113233021 is a deficient number, since it is larger than the sum of its proper divisors (13307267).

113233021 is a wasteful number, since it uses less digits than its factorization.

113233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251123.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 113233021 is about 10641.1005539841. The cubic root of 113233021 is about 483.7909032933.

Adding to 113233021 its reverse (120332311), we get a palindrome (233565332).

The spelling of 113233021 in words is "one hundred thirteen million, two hundred thirty-three thousand, twenty-one".