103213111 has 8 divisors (see below), whose sum is σ = 108761600. Its totient is φ = 97676280.

The previous prime is 103213109. The next prime is 103213127. The reversal of 103213111 is 111312301.

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 103213111 - 2¹ = 103213109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103213091 and 103213100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103273111) 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, 19930 + ... + 24568.

It is an arithmetic number, because the mean of its divisors is an integer number (13595200).

Almost surely, 2^103213111 is an apocalyptic number.

103213111 is a deficient number, since it is larger than the sum of its proper divisors (5548489).

103213111 is a wasteful number, since it uses less digits than its factorization.

103213111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5829.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 103213111 is about 10159.3853652669. The cubic root of 103213111 is about 469.0778826929.

Adding to 103213111 its reverse (111312301), we get a palindrome (214525412).

The spelling of 103213111 in words is "one hundred three million, two hundred thirteen thousand, one hundred eleven".