101111213 has 4 divisors (see below), whose sum is σ = 115555680. Its totient is φ = 86666748.

The previous prime is 101111203. The next prime is 101111237. The reversal of 101111213 is 312111101.

It is a happy number.

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 not a de Polignac number, because 101111213 - 2¹⁶ = 101045677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101111194 and 101111203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111203) 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, 7222223 + ... + 7222236.

It is an arithmetic number, because the mean of its divisors is an integer number (28888920).

Almost surely, 2^101111213 is an apocalyptic number.

It is an amenable number.

101111213 is a deficient number, since it is larger than the sum of its proper divisors (14444467).

101111213 is an equidigital number, since it uses as much as digits as its factorization.

101111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14444466.

The product of its (nonzero) digits is 6, while the sum is 11.

The square root of 101111213 is about 10055.4071523733. The cubic root of 101111213 is about 465.8718187729.

Adding to 101111213 its reverse (312111101), we get a palindrome (413222314).

The spelling of 101111213 in words is "one hundred one million, one hundred eleven thousand, two hundred thirteen".