113211141 has 4 divisors (see below), whose sum is σ = 150948192. Its totient is φ = 75474092.

The previous prime is 113211121. The next prime is 113211149. The reversal of 113211141 is 141112311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 141112311 = 3 ⋅47037437.

It is a cyclic number.

It is not a de Polignac number, because 113211141 - 2¹⁷ = 113080069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113211141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113211149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18868521 + ... + 18868526.

It is an arithmetic number, because the mean of its divisors is an integer number (37737048).

Almost surely, 2^113211141 is an apocalyptic number.

It is an amenable number.

113211141 is a deficient number, since it is larger than the sum of its proper divisors (37737051).

113211141 is an equidigital number, since it uses as much as digits as its factorization.

113211141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37737050.

The product of its digits is 24, while the sum is 15.

The square root of 113211141 is about 10640.0724151671. The cubic root of 113211141 is about 483.7597403376.

Adding to 113211141 its reverse (141112311), we get a palindrome (254323452).

The spelling of 113211141 in words is "one hundred thirteen million, two hundred eleven thousand, one hundred forty-one".