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121022130103 = 721317811037
BaseRepresentation
bin111000010110101111…
…0110010011110110111
3102120101020111012101221
41300231132302132313
53440323131130403
6131332524131211
711513020063360
oct1605536623667
9376336435357
10121022130103
1147363923646
121b556096b07
13b548ba2394
145c00db4b67
153234aa8dbd
hex1c2d7b27b7

121022130103 has 8 divisors (see below), whose sum is σ = 138317664672. Its totient is φ = 103728260256.

The previous prime is 121022130079. The next prime is 121022130121. The reversal of 121022130103 is 301031220121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121022130103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022130403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256300 + ... + 554737.

It is an arithmetic number, because the mean of its divisors is an integer number (17289708084).

Almost surely, 2121022130103 is an apocalyptic number.

121022130103 is a deficient number, since it is larger than the sum of its proper divisors (17295534569).

121022130103 is an equidigital number, since it uses as much as digits as its factorization.

121022130103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832361.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121022130103 its reverse (301031220121), we get a palindrome (422053350224).

The spelling of 121022130103 in words is "one hundred twenty-one billion, twenty-two million, one hundred thirty thousand, one hundred three".

Divisors: 1 7 21317 149219 811037 5677259 17288875729 121022130103