112120001021 has 8 divisors (see below), whose sum is σ = 128923262784. Its totient is φ = 95513268960.

The previous prime is 112120000987. The next prime is 112120001023. The reversal of 112120001021 is 120100021211.

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 112120001021 - 2⁶ = 112120000957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112120000993 and 112120001011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120001023) 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, 49131200 + ... + 49133481.

It is an arithmetic number, because the mean of its divisors is an integer number (16115407848).

Almost surely, 2^112120001021 is an apocalyptic number.

It is an amenable number.

112120001021 is a deficient number, since it is larger than the sum of its proper divisors (16803261763).

112120001021 is an equidigital number, since it uses as much as digits as its factorization.

112120001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98264851.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112120001021 its reverse (120100021211), we get a palindrome (232220022232).

The spelling of 112120001021 in words is "one hundred twelve billion, one hundred twenty million, one thousand, twenty-one".