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22010111111 = 107307670039
BaseRepresentation
bin10100011111111001…
…111010010010000111
32002210220220111022102
4110133321322102013
5330034042023421
614040013022315
71406300600102
oct243771722207
962726814272
1022010111111
11937515227a
12432318499b
1320c9c822b1
1410cb253739
1588c47960b
hex51fe7a487

22010111111 has 8 divisors (see below), whose sum is σ = 22288210560. Its totient is φ = 21733352568.

The previous prime is 22010111093. The next prime is 22010111113. The reversal of 22010111111 is 11111101022.

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 22010111111 - 218 = 22009848967 is a prime.

It is a super-2 number, since 2×220101111112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

22010111111 is a modest number, since divided by 111111 gives 22010 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 22010111092 and 22010111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010111113) 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, 302171 + ... + 367868.

It is an arithmetic number, because the mean of its divisors is an integer number (2786026320).

Almost surely, 222010111111 is an apocalyptic number.

22010111111 is a deficient number, since it is larger than the sum of its proper divisors (278099449).

22010111111 is a wasteful number, since it uses less digits than its factorization.

22010111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670453.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 22010111111 its reverse (11111101022), we get a palindrome (33121212133).

The spelling of 22010111111 in words is "twenty-two billion, ten million, one hundred eleven thousand, one hundred eleven".

Divisors: 1 107 307 32849 670039 71694173 205701973 22010111111