101213135 has 8 divisors (see below), whose sum is σ = 121521696. Its totient is φ = 80926560.

The previous prime is 101213129. The next prime is 101213173. The reversal of 101213135 is 531312101.

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

It is not a de Polignac number, because 101213135 - 2⁶ = 101213071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7382 + ... + 16028.

It is an arithmetic number, because the mean of its divisors is an integer number (15190212).

Almost surely, 2^101213135 is an apocalyptic number.

101213135 is a deficient number, since it is larger than the sum of its proper divisors (20308561).

101213135 is an equidigital number, since it uses as much as digits as its factorization.

101213135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10993.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 101213135 is about 10060.4738953988. The cubic root of 101213135 is about 466.0283020504.

Adding to 101213135 its reverse (531312101), we get a palindrome (632525236).

The spelling of 101213135 in words is "one hundred one million, two hundred thirteen thousand, one hundred thirty-five".