112121220201221 has 8 divisors (see below), whose sum is σ = 139787495315904. Its totient is φ = 87367184572320.

The previous prime is 112121220201169. The next prime is 112121220201359. The reversal of 112121220201221 is 122102022121211.

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

It is a cyclic number.

It is not a de Polignac number, because 112121220201221 - 2⁶ = 112121220201157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112121220201193 and 112121220201202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121220201421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728059871360 + ... + 728059871513.

It is an arithmetic number, because the mean of its divisors is an integer number (17473436914488).

Almost surely, 2^{112121220201221} is an apocalyptic number.

112121220201221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112121220201221 is a deficient number, since it is larger than the sum of its proper divisors (27666275114683).

112121220201221 is a wasteful number, since it uses less digits than its factorization.

112121220201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456119742891.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112121220201221 its reverse (122102022121211), we get a palindrome (234223242322432).

The spelling of 112121220201221 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred twenty million, two hundred one thousand, two hundred twenty-one".