1112012021213 has 4 divisors (see below), whose sum is σ = 1147883376768. Its totient is φ = 1076140665660.

The previous prime is 1112012021207. The next prime is 1112012021279. The reversal of 1112012021213 is 3121202102111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112012021213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112012021191 and 1112012021200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112012029213) 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, 17935677731 + ... + 17935677792.

It is an arithmetic number, because the mean of its divisors is an integer number (286970844192).

Almost surely, 2^{1112012021213} is an apocalyptic number.

It is an amenable number.

1112012021213 is a deficient number, since it is larger than the sum of its proper divisors (35871355555).

1112012021213 is an equidigital number, since it uses as much as digits as its factorization.

1112012021213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35871355554.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1112012021213 its reverse (3121202102111), we get a palindrome (4233214123324).

The spelling of 1112012021213 in words is "one trillion, one hundred twelve billion, twelve million, twenty-one thousand, two hundred thirteen".