112021011110021 has 8 divisors (see below), whose sum is σ = 120639461835480. Its totient is φ = 103402767508992.

The previous prime is 112021011110003. The next prime is 112021011110023. The reversal of 112021011110021 is 120011110120211.

It can be written as a sum of positive squares in 4 ways, for example, as 28978142428225 + 83042868681796 = 5383135^2 + 9112786^2 .

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 112021011110021 - 2¹⁰ = 112021011108997 is a prime.

It is a super-2 number, since 2×112021011110021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112021011109978 and 112021011110005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112021011110023) 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, 50656916 + ... + 52822013.

It is an arithmetic number, because the mean of its divisors is an integer number (15079932729435).

Almost surely, 2^{112021011110021} is an apocalyptic number.

It is an amenable number.

112021011110021 is a deficient number, since it is larger than the sum of its proper divisors (8618450725459).

112021011110021 is a wasteful number, since it uses less digits than its factorization.

112021011110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103562215.

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

Adding to 112021011110021 its reverse (120011110120211), we get a palindrome (232032121230232).

The spelling of 112021011110021 in words is "one hundred twelve trillion, twenty-one billion, eleven million, one hundred ten thousand, twenty-one".