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121100200201211 = 71114872710574609
BaseRepresentation
bin11011100010001111010110…
…011010100100101111111011
3120212210001210011120002002212
4123202033112122210233323
5111333101202222414321
61105320355225245335
734336125565454540
oct3342172632445773
9525701704502085
10121100200201211
113564a340a35350
12116ba04403384b
13527591382c9aa
1421c93d0d6cbc7
15e001629a055b
hex6e23d66a4bfb

121100200201211 has 16 divisors (see below), whose sum is σ = 150983097223680. Its totient is φ = 94363148964480.

The previous prime is 121100200201061. The next prime is 121100200201259. The reversal of 121100200201211 is 112102002001121.

It is not a de Polignac number, because 121100200201211 - 214 = 121100200184827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121100200201811) 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, 6164675 + ... + 16739283.

It is an arithmetic number, because the mean of its divisors is an integer number (9436443576480).

Almost surely, 2121100200201211 is an apocalyptic number.

121100200201211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121100200201211 is a deficient number, since it is larger than the sum of its proper divisors (29882897022469).

121100200201211 is a wasteful number, since it uses less digits than its factorization.

121100200201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10723354.

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

Adding to 121100200201211 its reverse (112102002001121), we get a palindrome (233202202202332).

The spelling of 121100200201211 in words is "one hundred twenty-one trillion, one hundred billion, two hundred million, two hundred one thousand, two hundred eleven".

Divisors: 1 7 11 77 148727 1041089 1635997 10574609 11451979 74022263 116320699 814244893 1572729872743 11009109109201 17300028600173 121100200201211