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111210112102211 = 1044181106504631
BaseRepresentation
bin11001010010010100011111…
…001110100010111101000011
3112120202120201220221220112122
4121102110133032202331003
5104034031302144232321
61032305115321514455
732265444151623263
oct3122243716427503
9476676656856478
10111210112102211
1132486a42049351
1210581321642a2b
134a090b78667a5
141d6685344d7a3
15cccc6c0518ab
hex65251f3a2f43

111210112102211 has 4 divisors (see below), whose sum is σ = 111210219651024. Its totient is φ = 111210004553400.

The previous prime is 111210112102189. The next prime is 111210112102217. The reversal of 111210112102211 is 112201211012111.

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 111210112102211 - 214 = 111210112085827 is a prime.

It is a super-2 number, since 2×1112101121022112 (a number of 29 digits) contains 22 as substring.

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 111210112102211.

It is not an unprimeable number, because it can be changed into a prime (111210112102217) 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, 52208135 + ... + 54296496.

It is an arithmetic number, because the mean of its divisors is an integer number (27802554912756).

Almost surely, 2111210112102211 is an apocalyptic number.

111210112102211 is a deficient number, since it is larger than the sum of its proper divisors (107548813).

111210112102211 is a wasteful number, since it uses less digits than its factorization.

111210112102211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107548812.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111210112102211 its reverse (112201211012111), we get a palindrome (223411323114322).

The spelling of 111210112102211 in words is "one hundred eleven trillion, two hundred ten billion, one hundred twelve million, one hundred two thousand, two hundred eleven".

Divisors: 1 1044181 106504631 111210112102211