111011220002101 has 16 divisors (see below), whose sum is σ = 112232761931520. Its totient is φ = 109798300704960.

The previous prime is 111011220002087. The next prime is 111011220002113. The reversal of 111011220002101 is 101200022110111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111011220002101 - 2⁷ = 111011220001973 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 (111011220002701) 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, 20410375 + ... + 25270651.

It is an arithmetic number, because the mean of its divisors is an integer number (7014547620720).

Almost surely, 2^{111011220002101} is an apocalyptic number.

It is an amenable number.

111011220002101 is a deficient number, since it is larger than the sum of its proper divisors (1221541929419).

111011220002101 is a wasteful number, since it uses less digits than its factorization.

111011220002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861164.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111011220002101 its reverse (101200022110111), we get a palindrome (212211242112212).

The spelling of 111011220002101 in words is "one hundred eleven trillion, eleven billion, two hundred twenty million, two thousand, one hundred one".