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2120222011 = 16395313649
BaseRepresentation
bin111111001100000…
…0000010100111011
312110202120102211011
41332120000110323
513320234101021
6550215414351
7103353406165
oct17630002473
95422512734
102120222011
119988a01a6
124b20843b7
1327a34b34b
14161831935
15c620dde1
hex7e60053b

2120222011 has 8 divisors (see below), whose sum is σ = 2135624400. Its totient is φ = 2104849152.

The previous prime is 2120222009. The next prime is 2120222021. The reversal of 2120222011 is 1102220212.

It is a happy number.

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 2120222011 - 21 = 2120222009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120221982 and 2120222000.

It is not an unprimeable number, because it can be changed into a prime (2120222021) 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, 148515 + ... + 162163.

It is an arithmetic number, because the mean of its divisors is an integer number (266953050).

Almost surely, 22120222011 is an apocalyptic number.

2120222011 is a deficient number, since it is larger than the sum of its proper divisors (15402389).

2120222011 is a wasteful number, since it uses less digits than its factorization.

2120222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14765.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2120222011 is about 46045.8685551701. The cubic root of 2120222011 is about 1284.6764992854.

Adding to 2120222011 its reverse (1102220212), we get a palindrome (3222442223).

The spelling of 2120222011 in words is "two billion, one hundred twenty million, two hundred twenty-two thousand, eleven".

Divisors: 1 163 953 13649 155339 2224787 13007497 2120222011