112121220101 has 16 divisors (see below), whose sum is σ = 126654883200. Its totient is φ = 98317867200.

The previous prime is 112121220089. The next prime is 112121220103. The reversal of 112121220101 is 101022121211.

It is a cyclic number.

It is not a de Polignac number, because 112121220101 - 2⁶ = 112121220037 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 (112121220103) 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, 158435 + ... + 499343.

It is an arithmetic number, because the mean of its divisors is an integer number (7915930200).

Almost surely, 2^112121220101 is an apocalyptic number.

112121220101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112121220101 is a deficient number, since it is larger than the sum of its proper divisors (14533663099).

112121220101 is a wasteful number, since it uses less digits than its factorization.

112121220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341980.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 112121220101 its reverse (101022121211), we get a palindrome (213143341312).

The spelling of 112121220101 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred twenty thousand, one hundred one".