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2112220011 = 311269277859
BaseRepresentation
bin111110111100101…
…1110101101101011
312110012111220010210
41331321132231223
513311212020021
6545332112203
7103225400556
oct17571365553
95405456123
102112220011
11994325180
124ab465663
132787a9035
1416074b69d
15c567ce76
hex7de5eb6b

2112220011 has 32 divisors (see below), whose sum is σ = 3098476800. Its totient is φ = 1269290880.

The previous prime is 2112219917. The next prime is 2112220031. The reversal of 2112220011 is 1100222112.

It is not a de Polignac number, because 2112220011 - 211 = 2112217963 is a prime.

It is a super-2 number, since 2×21122200112 = 8922946749737680242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112220031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2458500 + ... + 2459358.

It is an arithmetic number, because the mean of its divisors is an integer number (96827400).

Almost surely, 22112220011 is an apocalyptic number.

2112220011 is a deficient number, since it is larger than the sum of its proper divisors (986256789).

2112220011 is a wasteful number, since it uses less digits than its factorization.

2112220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2112220011 is about 45958.8947974165. The cubic root of 2112220011 is about 1283.0582817668.

Adding to 2112220011 its reverse (1100222112), we get a palindrome (3212442123).

It can be divided in two parts, 211 and 2220011, that added together give a palindrome (2220222).

The spelling of 2112220011 in words is "two billion, one hundred twelve million, two hundred twenty thousand, eleven".

Divisors: 1 3 11 33 269 277 807 831 859 2577 2959 3047 8877 9141 9449 28347 74513 223539 231071 237943 693213 713829 819643 2458929 2541781 2617373 7625343 7852119 64006667 192020001 704073337 2112220011