113212101 has 8 divisors (see below), whose sum is σ = 152285760. Its totient is φ = 74806592.

The previous prime is 113212097. The next prime is 113212103. The reversal of 113212101 is 101212311.

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 113212101 - 2² = 113212097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113212103) 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, 166641 + ... + 167318.

It is an arithmetic number, because the mean of its divisors is an integer number (19035720).

Almost surely, 2^113212101 is an apocalyptic number.

It is an amenable number.

113212101 is a deficient number, since it is larger than the sum of its proper divisors (39073659).

113212101 is a wasteful number, since it uses less digits than its factorization.

113212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334075.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 113212101 is about 10640.1175275464. The cubic root of 113212101 is about 483.7611077179.

Adding to 113212101 its reverse (101212311), we get a palindrome (214424412).

The spelling of 113212101 in words is "one hundred thirteen million, two hundred twelve thousand, one hundred one".