109201213 has 4 divisors (see below), whose sum is σ = 119128608. Its totient is φ = 99273820.

The previous prime is 109201199. The next prime is 109201229. The reversal of 109201213 is 312102901.

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.

It is a cyclic number.

It is not a de Polignac number, because 109201213 - 2⁵ = 109201181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109201243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4963681 + ... + 4963702.

It is an arithmetic number, because the mean of its divisors is an integer number (29782152).

Almost surely, 2^109201213 is an apocalyptic number.

It is an amenable number.

109201213 is a deficient number, since it is larger than the sum of its proper divisors (9927395).

109201213 is an equidigital number, since it uses as much as digits as its factorization.

109201213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9927394.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 109201213 is about 10449.9384208712. The cubic root of 109201213 is about 477.9793718449.

It can be divided in two parts, 1092012 and 13, that added together give a square (1092025 = 1045²).

The spelling of 109201213 in words is "one hundred nine million, two hundred one thousand, two hundred thirteen".