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121202102011 = 1031995913163
BaseRepresentation
bin111000011100000110…
…1010100111011111011
3102120211210010201110011
41300320031110323323
53441210214231021
6131402433402351
711520333603664
oct1607015247373
9376753121404
10121202102011
1147446477161
121b5a64093b7
13b577266533
145c1ac6236b
1532457a8de1
hex1c38354efb

121202102011 has 8 divisors (see below), whose sum is σ = 122993811200. Its totient is φ = 119422219752.

The previous prime is 121202101973. The next prime is 121202102029. The reversal of 121202102011 is 110201202121.

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 121202102011 - 231 = 119054618363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121202101982 and 121202102000.

It is not an unprimeable number, because it can be changed into a prime (121202102051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2936085 + ... + 2977078.

It is an arithmetic number, because the mean of its divisors is an integer number (15374226400).

Almost surely, 2121202102011 is an apocalyptic number.

121202102011 is a deficient number, since it is larger than the sum of its proper divisors (1791709189).

121202102011 is a wasteful number, since it uses less digits than its factorization.

121202102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913465.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121202102011 its reverse (110201202121), we get a palindrome (231403304132).

The spelling of 121202102011 in words is "one hundred twenty-one billion, two hundred two million, one hundred two thousand, eleven".

Divisors: 1 103 199 20497 5913163 609055789 1176719437 121202102011