101111221110111 has 8 divisors (see below), whose sum is σ = 135622236699264. Its totient is φ = 67003843130520.

The previous prime is 101111221110103. The next prime is 101111221110131. The reversal of 101111221110111 is 111011122111101.

It is a happy number.

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

It is not a de Polignac number, because 101111221110111 - 2³ = 101111221110103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111221110131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100909401805 + ... + 100909402806.

It is an arithmetic number, because the mean of its divisors is an integer number (16952779587408).

Almost surely, 2^{101111221110111} is an apocalyptic number.

101111221110111 is a deficient number, since it is larger than the sum of its proper divisors (34511015589153).

101111221110111 is a wasteful number, since it uses less digits than its factorization.

101111221110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201818804781.

The product of its (nonzero) digits is 4, while the sum is 15.

Adding to 101111221110111 its reverse (111011122111101), we get a palindrome (212122343221212).

The spelling of 101111221110111 in words is "one hundred one trillion, one hundred eleven billion, two hundred twenty-one million, one hundred ten thousand, one hundred eleven".