111202310213 has 4 divisors (see below), whose sum is σ = 111255544620. Its totient is φ = 111149075808.

The previous prime is 111202310203. The next prime is 111202310227. The reversal of 111202310213 is 312013202111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312013202111 = 13 ⋅24001015547.

It can be written as a sum of positive squares in 2 ways, for example, as 83187250084 + 28015060129 = 288422^2 + 167377^2 .

It is a cyclic number.

It is not a de Polignac number, because 111202310213 - 2⁸ = 111202309957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111202310191 and 111202310200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111202310203) 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, 26614070 + ... + 26618247.

It is an arithmetic number, because the mean of its divisors is an integer number (27813886155).

Almost surely, 2^111202310213 is an apocalyptic number.

It is an amenable number.

111202310213 is a deficient number, since it is larger than the sum of its proper divisors (53234407).

111202310213 is an equidigital number, since it uses as much as digits as its factorization.

111202310213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53234406.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111202310213 its reverse (312013202111), we get a palindrome (423215512324).

The spelling of 111202310213 in words is "one hundred eleven billion, two hundred two million, three hundred ten thousand, two hundred thirteen".