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112120011221021 = 198371097026773
BaseRepresentation
bin11001011111100011111001…
…011100001110100000011101
3112200222120100100200022220222
4121133203321130032200131
5104143433240333033041
61034243115545451125
732421255253543436
oct3137437134164035
9480876310608828
10112120011221021
11327a791440a671
12106a9738aa0aa5
134a73b4414b43b
141d988cd41848d
15ce677366074b
hex65f8f970e81d

112120011221021 has 8 divisors (see below), whose sum is σ = 119443004980320. Its totient is φ = 104939211515472.

The previous prime is 112120011221003. The next prime is 112120011221039. The reversal of 112120011221021 is 120122110021211.

It is an interprime number because it is at equal distance from previous prime (112120011221003) and next prime (112120011221039).

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 2k-112120011221021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120011221521) 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, 35548511810 + ... + 35548514963.

It is an arithmetic number, because the mean of its divisors is an integer number (14930375622540).

Almost surely, 2112120011221021 is an apocalyptic number.

It is an amenable number.

112120011221021 is a deficient number, since it is larger than the sum of its proper divisors (7322993759299).

112120011221021 is an equidigital number, since it uses as much as digits as its factorization.

112120011221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71097026875.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112120011221021 its reverse (120122110021211), we get a palindrome (232242121242232).

The spelling of 112120011221021 in words is "one hundred twelve trillion, one hundred twenty billion, eleven million, two hundred twenty-one thousand, twenty-one".

Divisors: 1 19 83 1577 71097026773 1350843508687 5901053222159 112120011221021