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2201121112211 = 71718496816069
BaseRepresentation
bin100000000001111101000…
…010101100000010010011
321210102110220200221021222
4200001331002230002103
5242030344001042321
64403103040235255
7315011555515550
oct40017502540223
97712426627258
102201121112211
117795435371aa
122b671300bb2b
1312c745c16948
147876b807a27
153c3c9aa83ab
hex2007d0ac093

2201121112211 has 8 divisors (see below), whose sum is σ = 2663541514080. Its totient is φ = 1775694342528.

The previous prime is 2201121112159. The next prime is 2201121112237. The reversal of 2201121112211 is 1122111211022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2201121112211 - 210 = 2201121111187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201121112211.

It is not an unprimeable number, because it can be changed into a prime (2201121112271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9248407916 + ... + 9248408153.

It is an arithmetic number, because the mean of its divisors is an integer number (332942689260).

Almost surely, 22201121112211 is an apocalyptic number.

2201121112211 is a deficient number, since it is larger than the sum of its proper divisors (462420401869).

2201121112211 is a wasteful number, since it uses less digits than its factorization.

2201121112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18496816093.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2201121112211 its reverse (1122111211022), we get a palindrome (3323232323233).

The spelling of 2201121112211 in words is "two trillion, two hundred one billion, one hundred twenty-one million, one hundred twelve thousand, two hundred eleven".

Divisors: 1 7 17 119 18496816069 129477712483 314445873173 2201121112211