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112202221111 = 223950112649
BaseRepresentation
bin110100001111111000…
…1100000011000110111
3101201121120021101210221
41220133301200120313
53314242232033421
6123313414555211
711051322100111
oct1503761403067
9351546241727
10112202221111
1143648257462
12198b4368b07
13a771828516
14560587c3b1
152dba602841
hex1a1fc60637

112202221111 has 4 divisors (see below), whose sum is σ = 112252336000. Its totient is φ = 112152106224.

The previous prime is 112202221009. The next prime is 112202221133. The reversal of 112202221111 is 111122202211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111122202211 = 217575107423.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112202221111 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 (112202221151) 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 3 ways as a sum of consecutive naturals, for example, 25054086 + ... + 25058563.

It is an arithmetic number, because the mean of its divisors is an integer number (28063084000).

Almost surely, 2112202221111 is an apocalyptic number.

112202221111 is a deficient number, since it is larger than the sum of its proper divisors (50114889).

112202221111 is an equidigital number, since it uses as much as digits as its factorization.

112202221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50114888.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112202221111 its reverse (111122202211), we get a palindrome (223324423322).

The spelling of 112202221111 in words is "one hundred twelve billion, two hundred two million, two hundred twenty-one thousand, one hundred eleven".

Divisors: 1 2239 50112649 112202221111