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202122111011 = 3173181200443
BaseRepresentation
bin1011110000111101101…
…0101010100000100011
3201022201020102002112112
42330033122222200203
511302421230023021
6232504214145535
720413526411402
oct2741732524043
9638636362475
10202122111011
11787a0731657
123320a3522ab
13160a1b7c272
149ad5c85639
1553ce907d5b
hex2f0f6aa823

202122111011 has 8 divisors (see below), whose sum is σ = 202824472944. Its totient is φ = 201420156960.

The previous prime is 202122111001. The next prime is 202122111097. The reversal of 202122111011 is 110111221202.

202122111011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 202122111011 - 230 = 201048369187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202122111001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908156 + ... + 1108598.

It is an arithmetic number, because the mean of its divisors is an integer number (25353059118).

Almost surely, 2202122111011 is an apocalyptic number.

202122111011 is a deficient number, since it is larger than the sum of its proper divisors (702361933).

202122111011 is a wasteful number, since it uses less digits than its factorization.

202122111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203941.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 202122111011 its reverse (110111221202), we get a palindrome (312233332213).

The spelling of 202122111011 in words is "two hundred two billion, one hundred twenty-two million, one hundred eleven thousand, eleven".

Divisors: 1 317 3181 200443 1008377 63540431 637609183 202122111011