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1111102311112 = 231220691137781
BaseRepresentation
bin10000001010110010110…
…110111100101011001000
310221012221122000121102121
4100022302312330223020
5121201014142423422
62210233334341024
7143163102546343
oct20126266745310
93835848017377
101111102311112
11399241319722
1215b409aba774
1380a12c75331
143bac5bab45a
151dd804ee8c7
hex102b2dbcac8

1111102311112 has 16 divisors (see below), whose sum is σ = 2083335731100. Its totient is φ = 555546116160.

The previous prime is 1111102311079. The next prime is 1111102311119. The reversal of 1111102311112 is 2111132011111.

It can be written as a sum of positive squares in 2 ways, for example, as 750326693796 + 360775617316 = 866214^2 + 600646^2 .

It is not an unprimeable number, because it can be changed into a prime (1111102311119) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 407662 + ... + 1545442.

Almost surely, 21111102311112 is an apocalyptic number.

It is an amenable number.

1111102311112 is a deficient number, since it is larger than the sum of its proper divisors (972233419988).

1111102311112 is a wasteful number, since it uses less digits than its factorization.

1111102311112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259856 (or 1259852 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 1111102311112 its reverse (2111132011111), we get a palindrome (3222234322223).

The spelling of 1111102311112 in words is "one trillion, one hundred eleven billion, one hundred two million, three hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 122069 244138 488276 976552 1137781 2275562 4551124 9102248 138887788889 277775577778 555551155556 1111102311112