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2111120121110 = 25711134326918233
BaseRepresentation
bin11110101110001000100…
…100001001110100010110
321110211011120221212122012
4132232020210021310112
5234042033222333420
64253500222504222
7305344344643520
oct36561044116426
97424146855565
102111120121110
117443592a9520
122a1195a35072
13124101b38520
147427072ca10
1539dad5d2dc5
hex1eb88909d16

2111120121110 has 256 divisors, whose sum is σ = 5240469104640. Its totient is φ = 591031848960.

The previous prime is 2111120121109. The next prime is 2111120121161. The reversal of 2111120121110 is 111210211112.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 115776554 + ... + 115794786.

It is an arithmetic number, because the mean of its divisors is an integer number (20470582440).

Almost surely, 22111120121110 is an apocalyptic number.

2111120121110 is an abundant number, since it is smaller than the sum of its proper divisors (3129348983530).

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

2111120121110 is a wasteful number, since it uses less digits than its factorization.

2111120121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18583.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2111120121110 its reverse (111210211112), we get a palindrome (2222330332222).

The spelling of 2111120121110 in words is "two trillion, one hundred eleven billion, one hundred twenty million, one hundred twenty-one thousand, one hundred ten".