103111022213 has 4 divisors (see below), whose sum is σ = 104174022540. Its totient is φ = 102048021888.

The previous prime is 103111022197. The next prime is 103111022219. The reversal of 103111022213 is 312220111301.

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 52414897249 + 50696124964 = 228943^2 + 225158^2 .

It is a cyclic number.

It is not a de Polignac number, because 103111022213 - 2⁴ = 103111022197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103111022191 and 103111022200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103111022219) 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, 531500018 + ... + 531500211.

It is an arithmetic number, because the mean of its divisors is an integer number (26043505635).

Almost surely, 2^103111022213 is an apocalyptic number.

It is an amenable number.

103111022213 is a deficient number, since it is larger than the sum of its proper divisors (1063000327).

103111022213 is an equidigital number, since it uses as much as digits as its factorization.

103111022213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063000326.

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

Adding to 103111022213 its reverse (312220111301), we get a palindrome (415331133514).

The spelling of 103111022213 in words is "one hundred three billion, one hundred eleven million, twenty-two thousand, two hundred thirteen".