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121122001303 = 445727175679
BaseRepresentation
bin111000011001101101…
…1110001000110010111
3102120122012102011221021
41300303123301012113
53441024213020203
6131350452502011
711515342011142
oct1606333610627
9376565364837
10121122001303
1147405237326
121b58361a907
13b56379c374
145c10371059
15323d7355bd
hex1c336f1197

121122001303 has 4 divisors (see below), whose sum is σ = 121149181440. Its totient is φ = 121094821168.

The previous prime is 121122001291. The next prime is 121122001321. The reversal of 121122001303 is 303100221121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303100221121 = 2855991061279.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121122001303 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 (121122061303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13583383 + ... + 13592296.

It is an arithmetic number, because the mean of its divisors is an integer number (30287295360).

Almost surely, 2121122001303 is an apocalyptic number.

121122001303 is a deficient number, since it is larger than the sum of its proper divisors (27180137).

121122001303 is an equidigital number, since it uses as much as digits as its factorization.

121122001303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27180136.

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

Adding to 121122001303 its reverse (303100221121), we get a palindrome (424222222424).

The spelling of 121122001303 in words is "one hundred twenty-one billion, one hundred twenty-two million, one thousand, three hundred three".

Divisors: 1 4457 27175679 121122001303