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112101201020 = 2256318882821
BaseRepresentation
bin110100001100111000…
…0001001010001111100
3101201100112012001022002
41220121300021101330
53314040401413040
6123255405441432
711045654325644
oct1503160112174
9351315161262
10112101201020
11435a6229586
1219886570278
13a756918613
1455d62a3524
152db17eaa15
hex1a19c0947c

112101201020 has 24 divisors (see below), whose sum is σ = 235785627168. Its totient is φ = 44769412800.

The previous prime is 112101201019. The next prime is 112101201077. The reversal of 112101201020 is 20102101211.

It is a junction number, because it is equal to n+sod(n) for n = 112101200992 and 112101201010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4428791 + ... + 4454030.

It is an arithmetic number, because the mean of its divisors is an integer number (9824401132).

Almost surely, 2112101201020 is an apocalyptic number.

112101201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112101201020 is an abundant number, since it is smaller than the sum of its proper divisors (123684426148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112101201020 is a wasteful number, since it uses less digits than its factorization.

112101201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8883461 (or 8883459 counting only the distinct ones).

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

Adding to 112101201020 its reverse (20102101211), we get a palindrome (132203302231).

The spelling of 112101201020 in words is "one hundred twelve billion, one hundred one million, two hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 631 1262 2524 3155 6310 12620 8882821 17765642 35531284 44414105 88828210 177656420 5605060051 11210120102 22420240204 28025300255 56050600510 112101201020