111361010213 has 2 divisors, whose sum is σ = 111361010214. Its totient is φ = 111361010212.

The previous prime is 111361010183. The next prime is 111361010251. The reversal of 111361010213 is 312010163111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107858382724 + 3502627489 = 328418^2 + 59183^2 .

It is a cyclic number.

It is not a de Polignac number, because 111361010213 - 2¹⁴ = 111360993829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111361010413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55680505106 + 55680505107.

It is an arithmetic number, because the mean of its divisors is an integer number (55680505107).

Almost surely, 2^111361010213 is an apocalyptic number.

It is an amenable number.

111361010213 is a deficient number, since it is larger than the sum of its proper divisors (1).

111361010213 is an equidigital number, since it uses as much as digits as its factorization.

111361010213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 111361010213 its reverse (312010163111), we get a palindrome (423371173324).

The spelling of 111361010213 in words is "one hundred eleven billion, three hundred sixty-one million, ten thousand, two hundred thirteen".