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2201111103011 = 8117271172983
BaseRepresentation
bin100000000001111100011…
…100100000011000100011
321210102110012212102020212
4200001330130200120203
5242030333420244021
64403102041524335
7315011404450322
oct40017434403043
97712405772225
102201111103011
11779538920137
122b670b7a36ab
1312c743b20b42
147876a3600b9
153c3c8c7c85b
hex2007c720623

2201111103011 has 4 divisors (see below), whose sum is σ = 2201382284112. Its totient is φ = 2200839921912.

The previous prime is 2201111103007. The next prime is 2201111103031. The reversal of 2201111103011 is 1103011111022.

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

It is a cyclic number.

It is not a de Polignac number, because 2201111103011 - 22 = 2201111103007 is a prime.

It is a super-2 number, since 2×22011111030112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201111103031) 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, 135578375 + ... + 135594608.

It is an arithmetic number, because the mean of its divisors is an integer number (550345571028).

Almost surely, 22201111103011 is an apocalyptic number.

2201111103011 is a deficient number, since it is larger than the sum of its proper divisors (271181101).

2201111103011 is an equidigital number, since it uses as much as digits as its factorization.

2201111103011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271181100.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 2201111103011 its reverse (1103011111022), we get a palindrome (3304122214033).

The spelling of 2201111103011 in words is "two trillion, two hundred one billion, one hundred eleven million, one hundred three thousand, eleven".

Divisors: 1 8117 271172983 2201111103011