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121101120112 = 2477611420841
BaseRepresentation
bin111000011001000110…
…0000111001001110000
3102120120202010022022211
41300302030013021300
53441003341320422
6131344425141504
711514666352060
oct1606214071160
9376522108284
10121101120112
11473a4474a45
121b57862a894
13b55c36ab2b
145c0b6973a0
15323b9ad577
hex1c32307270

121101120112 has 40 divisors (see below), whose sum is σ = 268505037792. Its totient is φ = 51832243200.

The previous prime is 121101120053. The next prime is 121101120131. The reversal of 121101120112 is 211021101121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121101120092 and 121101120101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625189 + ... + 795652.

Almost surely, 2121101120112 is an apocalyptic number.

It is an amenable number.

121101120112 is an abundant number, since it is smaller than the sum of its proper divisors (147403917680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121101120112 is a wasteful number, since it uses less digits than its factorization.

121101120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421617 (or 1421611 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121101120112 its reverse (211021101121), we get a palindrome (332122221233).

The spelling of 121101120112 in words is "one hundred twenty-one billion, one hundred one million, one hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 761 1522 3044 5327 6088 10654 12176 21308 42616 85232 1420841 2841682 5683364 9945887 11366728 19891774 22733456 39783548 79567096 159134192 1081260001 2162520002 4325040004 7568820007 8650080008 15137640014 17300160016 30275280028 60550560056 121101120112