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22101312211 = 117732599237
BaseRepresentation
bin10100100101010101…
…110100001011010011
32010001021111222200221
4110211111310023103
5330230413442321
614053031453511
71411456024366
oct244525641323
963037458627
1022101312211
119411683a90
124349827297
132112b34b44
1410d93d40dd
15895491e41
hex5255742d3

22101312211 has 8 divisors (see below), whose sum is σ = 24141722544. Its totient is φ = 20066101920.

The previous prime is 22101312209. The next prime is 22101312251. The reversal of 22101312211 is 11221310122.

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

It is a cyclic number.

It is not a de Polignac number, because 22101312211 - 21 = 22101312209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101312251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1291116 + ... + 1308121.

It is an arithmetic number, because the mean of its divisors is an integer number (3017715318).

Almost surely, 222101312211 is an apocalyptic number.

22101312211 is a deficient number, since it is larger than the sum of its proper divisors (2040410333).

22101312211 is a wasteful number, since it uses less digits than its factorization.

22101312211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600021.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22101312211 its reverse (11221310122), we get a palindrome (33322622333).

The spelling of 22101312211 in words is "twenty-two billion, one hundred one million, three hundred twelve thousand, two hundred eleven".

Divisors: 1 11 773 8503 2599237 28591607 2009210201 22101312211