111211201121013 has 12 divisors (see below), whose sum is σ = 183586744707808. Its totient is φ = 63549257783400.

The previous prime is 111211201120993. The next prime is 111211201121023. The reversal of 111211201121013 is 310121102112111.

It is not a de Polignac number, because 111211201121013 - 2⁹ = 111211201120501 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 (111211201121023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 882628580263 + ... + 882628580388.

Almost surely, 2^{111211201121013} is an apocalyptic number.

It is an amenable number.

111211201121013 is a deficient number, since it is larger than the sum of its proper divisors (72375543586795).

111211201121013 is a wasteful number, since it uses less digits than its factorization.

111211201121013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765257160664 (or 1765257160661 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 18.

Adding to 111211201121013 its reverse (310121102112111), we get a palindrome (421332303233124).

The spelling of 111211201121013 in words is "one hundred eleven trillion, two hundred eleven billion, two hundred one million, one hundred twenty-one thousand, thirteen".