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121012322311 = 1571105969697
BaseRepresentation
bin111000010110011100…
…1011000000000000111
3102120100120000220122101
41300230321120000013
53440313123303221
6131331534012531
711512540524256
oct1605471300007
9376316026571
10121012322311
1147359334931
121b552947147
13b546b4a15a
145bdd98079d
153233cbcd91
hex1c2ce58007

121012322311 has 8 divisors (see below), whose sum is σ = 121795861040. Its totient is φ = 120228945408.

The previous prime is 121012322309. The next prime is 121012322323. The reversal of 121012322311 is 113223210121.

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 121012322311 - 21 = 121012322309 is a prime.

It is a super-2 number, since 2×1210123223112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012322111) 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, 1701415 + ... + 1771111.

It is an arithmetic number, because the mean of its divisors is an integer number (15224482630).

Almost surely, 2121012322311 is an apocalyptic number.

121012322311 is a deficient number, since it is larger than the sum of its proper divisors (783538729).

121012322311 is a wasteful number, since it uses less digits than its factorization.

121012322311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80913.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121012322311 its reverse (113223210121), we get a palindrome (234235532432).

The spelling of 121012322311 in words is "one hundred twenty-one billion, twelve million, three hundred twenty-two thousand, three hundred eleven".

Divisors: 1 157 11059 69697 1736263 10942429 770779123 121012322311