1111012212113 has 4 divisors (see below), whose sum is σ = 1111014566580. Its totient is φ = 1111009857648.

The previous prime is 1111012212097. The next prime is 1111012212151. The reversal of 1111012212113 is 3112122101111.

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 180958353664 + 930053858449 = 425392^2 + 964393^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111012212113 - 2⁴ = 1111012212097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111012212091 and 1111012212100.

It is not an unprimeable number, because it can be changed into a prime (1111012214113) 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, 197798 + ... + 1503711.

It is an arithmetic number, because the mean of its divisors is an integer number (277753641645).

Almost surely, 2^{1111012212113} is an apocalyptic number.

It is an amenable number.

1111012212113 is a deficient number, since it is larger than the sum of its proper divisors (2354467).

1111012212113 is an equidigital number, since it uses as much as digits as its factorization.

1111012212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354466.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1111012212113 its reverse (3112122101111), we get a palindrome (4223134313224).

The spelling of 1111012212113 in words is "one trillion, one hundred eleven billion, twelve million, two hundred twelve thousand, one hundred thirteen".