1112220121101 has 32 divisors (see below), whose sum is σ = 1585594919040. Its totient is φ = 692125814016.

The previous prime is 1112220121039. The next prime is 1112220121127. The reversal of 1112220121101 is 1011210222111.

It is a happy number.

It is not a de Polignac number, because 1112220121101 - 2⁹ = 1112220120589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112220131101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 594991 + ... + 1605756.

It is an arithmetic number, because the mean of its divisors is an integer number (49549841220).

Almost surely, 2^{1112220121101} is an apocalyptic number.

It is an amenable number.

1112220121101 is a deficient number, since it is larger than the sum of its proper divisors (473374797939).

1112220121101 is a wasteful number, since it uses less digits than its factorization.

1112220121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200973.

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

Adding to 1112220121101 its reverse (1011210222111), we get a palindrome (2123430343212).

It can be divided in two parts, 1112220 and 121101, that added together give a palindrome (1233321).

The spelling of 1112220121101 in words is "one trillion, one hundred twelve billion, two hundred twenty million, one hundred twenty-one thousand, one hundred one".