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121123203331 = 1316357160549
BaseRepresentation
bin111000011001110000…
…0010110100100000011
3102120122021200020210211
41300303200112210003
53441030020001311
6131350534334551
711515355145454
oct1606340264403
9376567606724
10121123203331
1147405988439
121b583aba457
13b563b00520
145c105a512b
15323d8c1821
hex1c33816903

121123203331 has 8 divisors (see below), whose sum is σ = 131240622800. Its totient is φ = 111120105312.

The previous prime is 121123203281. The next prime is 121123203353. The reversal of 121123203331 is 133302321121.

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 121123203331 - 219 = 121122679043 is a prime.

It is a super-2 number, since 2×1211232033312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121123203361) 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, 28578156 + ... + 28582393.

It is an arithmetic number, because the mean of its divisors is an integer number (16405077850).

Almost surely, 2121123203331 is an apocalyptic number.

121123203331 is a deficient number, since it is larger than the sum of its proper divisors (10117419469).

121123203331 is a wasteful number, since it uses less digits than its factorization.

121123203331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57160725.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 121123203331 its reverse (133302321121), we get a palindrome (254425524452).

The spelling of 121123203331 in words is "one hundred twenty-one billion, one hundred twenty-three million, two hundred three thousand, three hundred thirty-one".

Divisors: 1 13 163 2119 57160549 743087137 9317169487 121123203331