111211022002013 has 16 divisors (see below), whose sum is σ = 112615745736816. Its totient is φ = 109813824798720.

The previous prime is 111211022002001. The next prime is 111211022002019. The reversal of 111211022002013 is 310200220112111.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2951616772729 + 108259405229284 = 1718027^2 + 10404778^2 .

It is a cyclic number.

It is not a de Polignac number, because 111211022002013 - 2¹⁰ = 111211022000989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111211022001982 and 111211022002000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111211022002019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169010381 + ... + 169667117.

It is an arithmetic number, because the mean of its divisors is an integer number (7038484108551).

Almost surely, 2^{111211022002013} is an apocalyptic number.

It is an amenable number.

111211022002013 is a deficient number, since it is larger than the sum of its proper divisors (1404723734803).

111211022002013 is a wasteful number, since it uses less digits than its factorization.

111211022002013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662464.

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

Adding to 111211022002013 its reverse (310200220112111), we get a palindrome (421411242114124).

The spelling of 111211022002013 in words is "one hundred eleven trillion, two hundred eleven billion, twenty-two million, two thousand, thirteen".