111211203013 has 8 divisors (see below), whose sum is σ = 112791456000. Its totient is φ = 109635263088.

The previous prime is 111211202969. The next prime is 111211203017. The reversal of 111211203013 is 310302112111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111211203013 - 2¹³ = 111211194821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111211203017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026313 + ... + 1129486.

It is an arithmetic number, because the mean of its divisors is an integer number (14098932000).

Almost surely, 2^111211203013 is an apocalyptic number.

It is an amenable number.

111211203013 is a deficient number, since it is larger than the sum of its proper divisors (1580252987).

111211203013 is an equidigital number, since it uses as much as digits as its factorization.

111211203013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156531.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111211203013 its reverse (310302112111), we get a palindrome (421513315124).

The spelling of 111211203013 in words is "one hundred eleven billion, two hundred eleven million, two hundred three thousand, thirteen".