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121111112010110 = 2512111111201011
BaseRepresentation
bin11011100010011001100000…
…110011110100100101111110
3120212211002221122001101220012
4123202121200303310211332
5111333241024133310420
61105325402103223222
734336663154350505
oct3342314063644576
9525732848041805
10121111112010110
1135653a30407932
121170018a447b12
1352769623b9851
1421c9b4824383c
15e005a091ddc5
hex6e2660cf497e

121111112010110 has 8 divisors (see below), whose sum is σ = 218000001618216. Its totient is φ = 48444444804040.

The previous prime is 121111112010067. The next prime is 121111112010113. The reversal of 121111112010110 is 11010211111121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121111112010113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6055555600496 + ... + 6055555600515.

It is an arithmetic number, because the mean of its divisors is an integer number (27250000202277).

Almost surely, 2121111112010110 is an apocalyptic number.

121111112010110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121111112010110 is a deficient number, since it is larger than the sum of its proper divisors (96888889608106).

121111112010110 is a wasteful number, since it uses less digits than its factorization.

121111112010110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12111111201018.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 121111112010110 its reverse (11010211111121), we get a palindrome (132121323121231).

The spelling of 121111112010110 in words is "one hundred twenty-one trillion, one hundred eleven billion, one hundred twelve million, ten thousand, one hundred ten".

Divisors: 1 2 5 10 12111111201011 24222222402022 60555556005055 121111112010110