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121020202212011 = 167905979994687
BaseRepresentation
bin11011100001000100110110…
…001010011101101010101011
3120212111102021222020011101222
4123201010312022131222223
5111330243333231241021
61105215525142532255
734330264266666404
oct3341046612355253
9525442258204358
10121020202212011
113561941a181a93
12116a6638a3708b
13526b204c501cb
1421c55a25989ab
15ded02e77c6ab
hex6e113629daab

121020202212011 has 8 divisors (see below), whose sum is σ = 121758314711040. Its totient is φ = 120282249720808.

The previous prime is 121020202212001. The next prime is 121020202212023. The reversal of 121020202212011 is 110212202020121.

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 121020202212011 - 26 = 121020202211947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121020202212001) 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, 38484491 + ... + 41510196.

It is an arithmetic number, because the mean of its divisors is an integer number (15219789338880).

Almost surely, 2121020202212011 is an apocalyptic number.

121020202212011 is a deficient number, since it is larger than the sum of its proper divisors (738112499029).

121020202212011 is an equidigital number, since it uses as much as digits as its factorization.

121020202212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80003913.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121020202212011 its reverse (110212202020121), we get a palindrome (231232404232132).

The spelling of 121020202212011 in words is "one hundred twenty-one trillion, twenty billion, two hundred two million, two hundred twelve thousand, eleven".

Divisors: 1 167 9059 1512853 79994687 13359112729 724671869533 121020202212011