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20102122002011 = 7291011296775611
BaseRepresentation
bin1001001001000011000111…
…10101110101011001011011
32122011202002110000201102112
410210201203311311121123
510113323121213031021
6110430442023022535
74143221215512110
oct444414365653133
978152073021375
1020102122002011
116450297899705
122307b13b9aa4b
13b2a811615a6a
144d6d3b054907
1524cd80531d5b
hex124863d7565b

20102122002011 has 32 divisors (see below), whose sum is σ = 24003531463680. Its totient is φ = 16470035568000.

The previous prime is 20102122001963. The next prime is 20102122002019. The reversal of 20102122002011 is 11020022120102.

It is a de Polignac number, because none of the positive numbers 2k-20102122002011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102122002019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265824596 + ... + 265900206.

It is an arithmetic number, because the mean of its divisors is an integer number (750110358240).

Almost surely, 220102122002011 is an apocalyptic number.

20102122002011 is a deficient number, since it is larger than the sum of its proper divisors (3901409461669).

20102122002011 is a wasteful number, since it uses less digits than its factorization.

20102122002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88715.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20102122002011 its reverse (11020022120102), we get a palindrome (31122144122113).

The spelling of 20102122002011 in words is "twenty trillion, one hundred two billion, one hundred twenty-two million, two thousand, eleven".

Divisors: 1 7 29 101 203 707 2929 12967 20503 75611 90769 376043 529277 1309667 2192719 2632301 7636711 9167669 15349033 37980343 53456977 221464619 265862401 980447837 1550252333 6863134859 28432987273 99025231537 199030910911 693176620759 2871731714573 20102122002011