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122001002011 = 7192116616577
BaseRepresentation
bin111000110011111010…
…0111000111000011011
3102122220110102001020001
41301213310320320123
53444324224031021
6132014012513431
711546204256340
oct1614764707033
9378813361201
10122001002011
1147816426599
121b789a7b877
13b673922825
145c94dc27c7
1532909b5091
hex1c67d38e1b

122001002011 has 32 divisors (see below), whose sum is σ = 147709253120. Its totient is φ = 98434828800.

The previous prime is 122001001961. The next prime is 122001002017. The reversal of 122001002011 is 110200100221.

It is not a de Polignac number, because 122001002011 - 27 = 122001001883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122001002017) 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, 18546355 + ... + 18552931.

It is an arithmetic number, because the mean of its divisors is an integer number (4615914160).

Almost surely, 2122001002011 is an apocalyptic number.

122001002011 is a deficient number, since it is larger than the sum of its proper divisors (25708251109).

122001002011 is a wasteful number, since it uses less digits than its factorization.

122001002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7475.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 122001002011 its reverse (110200100221), we get a palindrome (232201102232).

The spelling of 122001002011 in words is "one hundred twenty-two billion, one million, two thousand, eleven".

Divisors: 1 7 19 133 211 661 1477 4009 4627 6577 12559 28063 46039 87913 124963 139471 874741 976297 1387747 2649949 4347397 9714229 18549643 26367193 30431779 82600543 184570351 578203801 917300767 6421105369 17428714573 122001002011