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121023113201 = 2341912558173
BaseRepresentation
bin111000010110110001…
…0100010011111110001
3102120101022100010221222
41300231202202133301
53440323404110301
6131333001154425
711513031326504
oct1605542423761
9376338303858
10121023113201
1147364435221
121b55648ba15
13b5491579b3
145c0118d13b
153234c0031b
hex1c2d8a27f1

121023113201 has 8 divisors (see below), whose sum is σ = 126586393920. Its totient is φ = 115484949712.

The previous prime is 121023113179. The next prime is 121023113269. The reversal of 121023113201 is 102311320121.

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 121023113201 - 26 = 121023113137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121023113201.

It is not an unprimeable number, because it can be changed into a prime (121023112201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6269450 + ... + 6288723.

It is an arithmetic number, because the mean of its divisors is an integer number (15823299240).

Almost surely, 2121023113201 is an apocalyptic number.

It is an amenable number.

121023113201 is a deficient number, since it is larger than the sum of its proper divisors (5563280719).

121023113201 is a wasteful number, since it uses less digits than its factorization.

121023113201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12558615.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121023113201 its reverse (102311320121), we get a palindrome (223334433322).

The spelling of 121023113201 in words is "one hundred twenty-one billion, twenty-three million, one hundred thirteen thousand, two hundred one".

Divisors: 1 23 419 9637 12558173 288837979 5261874487 121023113201