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112101101221 = 1915755036829
BaseRepresentation
bin110100001100110111…
…1110000111010100101
3101201100111222222101211
41220121233300322211
53314040340214341
6123255403351421
711045653431664
oct1503157607245
9351314888354
10112101101221
11435a61705aa
1219886522571
13a7568b2075
1455d6278ddb
152db17cb181
hex1a19bf0ea5

112101101221 has 16 divisors (see below), whose sum is σ = 118791731200. Its totient is φ = 105489978048.

The previous prime is 112101101219. The next prime is 112101101291. The reversal of 112101101221 is 122101101211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 112101101221 - 21 = 112101101219 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 (112101101291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16412035 + ... + 16418863.

It is an arithmetic number, because the mean of its divisors is an integer number (7424483200).

Almost surely, 2112101101221 is an apocalyptic number.

It is an amenable number.

112101101221 is a deficient number, since it is larger than the sum of its proper divisors (6690629979).

112101101221 is a wasteful number, since it uses less digits than its factorization.

112101101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12508.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112101101221 its reverse (122101101211), we get a palindrome (234202202432).

The spelling of 112101101221 in words is "one hundred twelve billion, one hundred one million, one hundred one thousand, two hundred twenty-one".

Divisors: 1 19 157 2983 5503 6829 104557 129751 863971 1072153 16415449 20370907 37579987 714019753 5900057959 112101101221