113021201 has 4 divisors (see below), whose sum is σ = 113070900. Its totient is φ = 112971504.

The previous prime is 113021197. The next prime is 113021213. The reversal of 113021201 is 102120311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18931201 + 94090000 = 4351^2 + 9700^2 .

It is a cyclic number.

It is not a de Polignac number, because 113021201 - 2² = 113021197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113021221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21266 + ... + 26043.

It is an arithmetic number, because the mean of its divisors is an integer number (28267725).

Almost surely, 2^113021201 is an apocalyptic number.

It is an amenable number.

113021201 is a deficient number, since it is larger than the sum of its proper divisors (49699).

113021201 is an equidigital number, since it uses as much as digits as its factorization.

113021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49698.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 113021201 is about 10631.1429771215. The cubic root of 113021201 is about 483.4890462490.

Adding to 113021201 its reverse (102120311), we get a palindrome (215141512).

The spelling of 113021201 in words is "one hundred thirteen million, twenty-one thousand, two hundred one".