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121110120313 = 7138123163841
BaseRepresentation
bin111000011001010111…
…0011100011101111001
3102120121101001120021121
41300302232130131321
53441013142322223
6131345350105241
711515136015530
oct1606256343571
9376541046247
10121110120313
11473a9561a26
121b57b64b221
13b56119c5b0
145c0c95b317
15323c68a15d
hex1c32b9c779

121110120313 has 16 divisors (see below), whose sum is σ = 149077869696. Its totient is φ = 95811010560.

The previous prime is 121110120311. The next prime is 121110120367. The reversal of 121110120313 is 313021011121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121110120313 - 21 = 121110120311 is a prime.

It is a super-2 number, since 2×1211101203132 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121110120311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657273 + ... + 821113.

It is an arithmetic number, because the mean of its divisors is an integer number (9317366856).

Almost surely, 2121110120313 is an apocalyptic number.

121110120313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121110120313 is a deficient number, since it is larger than the sum of its proper divisors (27967749383).

121110120313 is a wasteful number, since it uses less digits than its factorization.

121110120313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171984.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 121110120313 its reverse (313021011121), we get a palindrome (434131131434).

The spelling of 121110120313 in words is "one hundred twenty-one billion, one hundred ten million, one hundred twenty thousand, three hundred thirteen".

Divisors: 1 7 13 91 8123 56861 105599 163841 739193 1146887 2129933 14909531 1330880443 9316163101 17301445759 121110120313