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121110111011222 = 2539781116813027
BaseRepresentation
bin11011100010011000100101…
…001001010100000110010110
3120212211000100212111101120022
4123202120211021110012112
5111333232001404324342
61105325114504305142
734336626311116424
oct3342304511240626
9525730325441508
10121110111011222
1135653567371623
12116bbb4b1721b2
135276832bbcb08
1421c9a91316114
15e00542ae19d2
hex6e2625254196

121110111011222 has 16 divisors (see below), whose sum is σ = 185111736463152. Its totient is φ = 59406432502560.

The previous prime is 121110111011189. The next prime is 121110111011243. The reversal of 121110111011222 is 222110111011121.

It is a self number, because there is not a number n which added to its sum of digits gives 121110111011222.

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, 57369728 + ... + 59443299.

It is an arithmetic number, because the mean of its divisors is an integer number (11569483528947).

Almost surely, 2121110111011222 is an apocalyptic number.

121110111011222 is a deficient number, since it is larger than the sum of its proper divisors (64001625451930).

121110111011222 is a wasteful number, since it uses less digits than its factorization.

121110111011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116822863.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 121110111011222 its reverse (222110111011121), we get a palindrome (343220222022343).

The spelling of 121110111011222 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred eleven million, eleven thousand, two hundred twenty-two".

Divisors: 1 2 53 106 9781 19562 518393 1036786 116813027 233626054 6191090431 12382180862 1142548217087 2285096434174 60555055505611 121110111011222