112012020021121 has 4 divisors (see below), whose sum is σ = 122194930932144. Its totient is φ = 101829109110100.

The previous prime is 112012020021107. The next prime is 112012020021157. The reversal of 112012020021121 is 121120020210211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112012020021121 - 2⁵ = 112012020021089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112012020021095 and 112012020021104.

It is not an unprimeable number, because it can be changed into a prime (112012020025121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5091455455495 + ... + 5091455455516.

It is an arithmetic number, because the mean of its divisors is an integer number (30548732733036).

Almost surely, 2^{112012020021121} is an apocalyptic number.

112012020021121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112012020021121 is a deficient number, since it is larger than the sum of its proper divisors (10182910911023).

112012020021121 is a wasteful number, since it uses less digits than its factorization.

112012020021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10182910911022.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112012020021121 its reverse (121120020210211), we get a palindrome (233132040231332).

The spelling of 112012020021121 in words is "one hundred twelve trillion, twelve billion, twenty million, twenty-one thousand, one hundred twenty-one".