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22112230211 = 90912432321
BaseRepresentation
bin10100100101111111…
…011101101101000011
32010002001001200101022
4110211333131231003
5330241212331321
614054101500055
71411650566321
oct244577355503
963061050338
1022112230211
119417860925
12435141162b
1321151884b6
1410daa36d11
158963ebdab
hex525fddb43

22112230211 has 4 divisors (see below), whose sum is σ = 22114671624. Its totient is φ = 22109788800.

The previous prime is 22112230193. The next prime is 22112230243. The reversal of 22112230211 is 11203221122.

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 22112230211 - 226 = 22045121347 is a prime.

It is a super-2 number, since 2×221122302112 (a number of 21 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 22112230211.

It is not an unprimeable number, because it can be changed into a prime (22112232211) 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, 1207070 + ... + 1225251.

It is an arithmetic number, because the mean of its divisors is an integer number (5528667906).

Almost surely, 222112230211 is an apocalyptic number.

22112230211 is a deficient number, since it is larger than the sum of its proper divisors (2441413).

22112230211 is an equidigital number, since it uses as much as digits as its factorization.

22112230211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441412.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22112230211 its reverse (11203221122), we get a palindrome (33315451333).

The spelling of 22112230211 in words is "twenty-two billion, one hundred twelve million, two hundred thirty thousand, two hundred eleven".

Divisors: 1 9091 2432321 22112230211