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10200120012111 = 348717977388363
BaseRepresentation
bin1001010001101110011010…
…0001111010110101001111
31100010010021220100011222210
42110123212201322311033
52314104321210341421
633405512003241503
72101635324362661
oct224334641726517
940103256304883
1010200120012111
113282934915087
121188a27679293
1358cb372a6c83
1427398d130531
1512a4ddbc1576
hex946e687ad4f

10200120012111 has 16 divisors (see below), whose sum is σ = 13628879600384. Its totient is φ = 6785721843264.

The previous prime is 10200120012109. The next prime is 10200120012161. The reversal of 10200120012111 is 11121002100201.

It is not a de Polignac number, because 10200120012111 - 21 = 10200120012109 is a prime.

It is a super-2 number, since 2×102001200121112 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10200120012161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26070216 + ... + 26458578.

It is an arithmetic number, because the mean of its divisors is an integer number (851804975024).

Almost surely, 210200120012111 is an apocalyptic number.

10200120012111 is a deficient number, since it is larger than the sum of its proper divisors (3428759588273).

10200120012111 is a wasteful number, since it uses less digits than its factorization.

10200120012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406830.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10200120012111 its reverse (11121002100201), we get a palindrome (21321122112312).

The spelling of 10200120012111 in words is "ten trillion, two hundred billion, one hundred twenty million, twelve thousand, one hundred eleven".

Divisors: 1 3 487 1461 17977 53931 388363 1165089 8754799 26264397 189132781 567398343 6981601651 20944804953 3400040004037 10200120012111