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121112103310 = 25111101019121
BaseRepresentation
bin111000011001011011…
…0000000100110001110
3102120121111210022102221
41300302312000212032
53441014144301220
6131345500405554
711515161615052
oct1606266004616
9376544708387
10121112103310
11473aa696870
121b5802468ba
13b561715073
145c0cd15c62
15323c92c9aa
hex1c32d8098e

121112103310 has 16 divisors (see below), whose sum is σ = 237820130352. Its totient is φ = 44040764800.

The previous prime is 121112103269. The next prime is 121112103317. The reversal of 121112103310 is 13301211121.

It is a happy number.

It is a super-2 number, since 2×1211121033102 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112103317) 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, 550509451 + ... + 550509670.

It is an arithmetic number, because the mean of its divisors is an integer number (14863758147).

Almost surely, 2121112103310 is an apocalyptic number.

121112103310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121112103310 is a deficient number, since it is larger than the sum of its proper divisors (116708027042).

121112103310 is a wasteful number, since it uses less digits than its factorization.

121112103310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101019139.

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

Adding to 121112103310 its reverse (13301211121), we get a palindrome (134413314431).

It can be divided in two parts, 121112 and 103310, that added together give a palindrome (224422).

The spelling of 121112103310 in words is "one hundred twenty-one billion, one hundred twelve million, one hundred three thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 55 110 1101019121 2202038242 5505095605 11010191210 12111210331 24222420662 60556051655 121112103310