111222002110101 has 32 divisors (see below), whose sum is σ = 153158381798400. Its totient is φ = 71750786016000.

The previous prime is 111222002110081. The next prime is 111222002110151. The reversal of 111222002110101 is 101011200222111.

It is a happy number.

It is not a de Polignac number, because 111222002110101 - 2²³ = 111221993721493 is a prime.

It is a super-2 number, since 2×111222002110101² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222002110151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4628701 + ... + 15616301.

It is an arithmetic number, because the mean of its divisors is an integer number (4786199431200).

Almost surely, 2^{111222002110101} is an apocalyptic number.

It is an amenable number.

111222002110101 is a deficient number, since it is larger than the sum of its proper divisors (41936379688299).

111222002110101 is a wasteful number, since it uses less digits than its factorization.

111222002110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10988377.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111222002110101 its reverse (101011200222111), we get a palindrome (212233202332212).

The spelling of 111222002110101 in words is "one hundred eleven trillion, two hundred twenty-two billion, two million, one hundred ten thousand, one hundred one".