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110111100121 = 11191035115023
BaseRepresentation
bin110011010001100100…
…0100000110011011001
3101112012211110110002101
41212203020200303121
53301001420200441
6122330115003401
710645440623341
oct1464310406331
9345184413071
10110111100121
11427749332a0
121940bb99561
13a4ca528c19
145487c63d21
152ce6c41231
hex19a3220cd9

110111100121 has 16 divisors (see below), whose sum is σ = 127670999040. Its totient is φ = 93911803920.

The previous prime is 110111100107. The next prime is 110111100139. The reversal of 110111100121 is 121001111011.

It is not a de Polignac number, because 110111100121 - 213 = 110111091929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110111100098 and 110111100107.

It is not an unprimeable number, because it can be changed into a prime (110111104121) 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, 2535985 + ... + 2579038.

It is an arithmetic number, because the mean of its divisors is an integer number (7979437440).

Almost surely, 2110111100121 is an apocalyptic number.

110111100121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110111100121 is a deficient number, since it is larger than the sum of its proper divisors (17559898919).

110111100121 is a wasteful number, since it uses less digits than its factorization.

110111100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115156.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 110111100121 its reverse (121001111011), we get a palindrome (231112211132).

The spelling of 110111100121 in words is "one hundred ten billion, one hundred eleven million, one hundred thousand, one hundred twenty-one".

Divisors: 1 11 19 103 209 1133 1957 21527 5115023 56265253 97185437 526847369 1069039807 5795321059 10010100011 110111100121