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112012111101 = 31123187978541
BaseRepresentation
bin110100001010001110…
…0010010110011111101
3101201010022112210220110
41220110130102303331
53313400100023401
6123242504140233
711043523143402
oct1502434226375
9351108483813
10112012111101
114355aa09a50
1219860767679
13a7413249a7
1455c85122a9
152da8a9d9d6
hex1a14712cfd

112012111101 has 32 divisors (see below), whose sum is σ = 170103121920. Its totient is φ = 64899172800.

The previous prime is 112012111097. The next prime is 112012111153. The reversal of 112012111101 is 101111210211.

It is not a de Polignac number, because 112012111101 - 22 = 112012111097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012111171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1386891 + ... + 1465431.

It is an arithmetic number, because the mean of its divisors is an integer number (5315722560).

Almost surely, 2112012111101 is an apocalyptic number.

112012111101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112012111101 is a deficient number, since it is larger than the sum of its proper divisors (58091010819).

112012111101 is a wasteful number, since it uses less digits than its factorization.

112012111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80457.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 112012111101 its reverse (101111210211), we get a palindrome (213123321312).

The spelling of 112012111101 in words is "one hundred twelve billion, twelve million, one hundred eleven thousand, one hundred one".

Divisors: 1 3 11 23 33 69 253 759 1879 5637 20669 43217 62007 78541 129651 235623 475387 863951 1426161 1806443 2591853 5419329 19870873 59612619 147578539 442735617 1623363929 3394306397 4870091787 10182919191 37337370367 112012111101