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112102211 = 138623247
BaseRepresentation
bin1101010111010…
…00101101000011
321210221101022202
412223220231003
5212144232321
615042423415
72530565414
oct653505503
9253841282
10112102211
1158308061
1231661b6b
131a2c0190
1410c6180b
159c9570b
hex6ae8b43

112102211 has 4 divisors (see below), whose sum is σ = 120725472. Its totient is φ = 103478952.

The previous prime is 112102187. The next prime is 112102217. The reversal of 112102211 is 112201211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112102211 is a prime.

It is a super-3 number, since 3×1121022113 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112102192 and 112102201.

It is not an unprimeable number, because it can be changed into a prime (112102217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4311611 + ... + 4311636.

It is an arithmetic number, because the mean of its divisors is an integer number (30181368).

Almost surely, 2112102211 is an apocalyptic number.

112102211 is a deficient number, since it is larger than the sum of its proper divisors (8623261).

112102211 is an equidigital number, since it uses as much as digits as its factorization.

112102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8623260.

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

The square root of 112102211 is about 10587.8331588668. The cubic root of 112102211 is about 482.1750410205.

Adding to 112102211 its reverse (112201211), we get a palindrome (224303422).

The spelling of 112102211 in words is "one hundred twelve million, one hundred two thousand, two hundred eleven".

Divisors: 1 13 8623247 112102211