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112110210121 = 7133139741301
BaseRepresentation
bin110100001101001001…
…0100000110001001001
3101201101011010202110111
41220122102200301021
53314100203210441
6123300330514321
711046124030360
oct1503222406111
9351334122414
10112110210121
1143600322218
12198895959a1
13a758751150
1455d756a7d7
152db24ca081
hex1a1a4a0c49

112110210121 has 16 divisors (see below), whose sum is σ = 142432826368. Its totient is φ = 85841208000.

The previous prime is 112110210101. The next prime is 112110210137. The reversal of 112110210121 is 121012011211.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112110210121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (112110210101) 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, 19867830 + ... + 19873471.

It is an arithmetic number, because the mean of its divisors is an integer number (8902051648).

Almost surely, 2112110210121 is an apocalyptic number.

It is an amenable number.

112110210121 is a deficient number, since it is larger than the sum of its proper divisors (30322616247).

112110210121 is a wasteful number, since it uses less digits than its factorization.

112110210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39741352.

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

Adding to 112110210121 its reverse (121012011211), we get a palindrome (233122221332).

The spelling of 112110210121 in words is "one hundred twelve billion, one hundred ten million, two hundred ten thousand, one hundred twenty-one".

Divisors: 1 7 13 31 91 217 403 2821 39741301 278189107 516636913 1231980331 3616458391 8623862317 16015744303 112110210121