112121000111021 has 8 divisors (see below), whose sum is σ = 122313894925824. Its totient is φ = 101928118066720.

The previous prime is 112121000110961. The next prime is 112121000111039. The reversal of 112121000111021 is 120111000121211.

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

It is a de Polignac number, because none of the positive numbers 2^k-112121000111021 is a prime.

It is a super-2 number, since 2×112121000111021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112121000110987 and 112121000111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121000141021) 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, 33498740 + ... + 36693426.

It is an arithmetic number, because the mean of its divisors is an integer number (15289236865728).

Almost surely, 2^{112121000111021} is an apocalyptic number.

112121000111021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112121000111021 is a deficient number, since it is larger than the sum of its proper divisors (10192894814803).

112121000111021 is a wasteful number, since it uses less digits than its factorization.

112121000111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6385251.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 112121000111021 its reverse (120111000121211), we get a palindrome (232232000232232).

The spelling of 112121000111021 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred eleven thousand, twenty-one".