111213701 has 4 divisors (see below), whose sum is σ = 112360332. Its totient is φ = 110067072.

The previous prime is 111213679. The next prime is 111213719. The reversal of 111213701 is 107312111.

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 33756100 + 77457601 = 5810^2 + 8801^2 .

It is a cyclic number.

It is not a de Polignac number, because 111213701 - 2²² = 107019397 is a prime.

It is a super-3 number, since 3×111213701³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111213701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111213721) 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, 573170 + ... + 573363.

It is an arithmetic number, because the mean of its divisors is an integer number (28090083).

Almost surely, 2^111213701 is an apocalyptic number.

It is an amenable number.

111213701 is a deficient number, since it is larger than the sum of its proper divisors (1146631).

111213701 is an equidigital number, since it uses as much as digits as its factorization.

111213701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146630.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 111213701 is about 10545.7906768530. The cubic root of 111213701 is about 480.8977714780.

Adding to 111213701 its reverse (107312111), we get a palindrome (218525812).

The spelling of 111213701 in words is "one hundred eleven million, two hundred thirteen thousand, seven hundred one".