111242222141511 has 16 divisors (see below), whose sum is σ = 150843792556800. Its totient is φ = 72901181263488.

The previous prime is 111242222141503. The next prime is 111242222141569. The reversal of 111242222141511 is 115141222242111.

It is not a de Polignac number, because 111242222141511 - 2³ = 111242222141503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111242222145511) 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, 10441971 + ... + 18207668.

It is an arithmetic number, because the mean of its divisors is an integer number (9427737034800).

Almost surely, 2^{111242222141511} is an apocalyptic number.

111242222141511 is a deficient number, since it is larger than the sum of its proper divisors (39601570415289).

111242222141511 is a wasteful number, since it uses less digits than its factorization.

111242222141511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28671638.

The product of its digits is 2560, while the sum is 30.

Adding to 111242222141511 its reverse (115141222242111), we get a palindrome (226383444383622).

The spelling of 111242222141511 in words is "one hundred eleven trillion, two hundred forty-two billion, two hundred twenty-two million, one hundred forty-one thousand, five hundred eleven".