111215053213 has 8 divisors (see below), whose sum is σ = 124604580960. Its totient is φ = 98372036880.

The previous prime is 111215053211. The next prime is 111215053237. The reversal of 111215053213 is 312350512111.

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 111215053213 - 2¹ = 111215053211 is a prime.

It is a super-2 number, since 2×111215053213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111215053211) 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, 136627423 + ... + 136628236.

It is an arithmetic number, because the mean of its divisors is an integer number (15575572620).

Almost surely, 2^111215053213 is an apocalyptic number.

It is an amenable number.

111215053213 is a deficient number, since it is larger than the sum of its proper divisors (13389527747).

111215053213 is a wasteful number, since it uses less digits than its factorization.

111215053213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273255707.

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 111215053213 its reverse (312350512111), we get a palindrome (423565565324).

The spelling of 111215053213 in words is "one hundred eleven billion, two hundred fifteen million, fifty-three thousand, two hundred thirteen".