Search a number
-
+
1111110122120 = 235188691472137
BaseRepresentation
bin10000001010110011010…
…100101111101010001000
310221012222011201110010012
4100022303110233222020
5121201023142401440
62210234214011052
7143163226131065
oct20126324575210
93835864643105
101111110122120
113992457741a9
1215b410646a88
1380a1477b72b
143bac6c41c6c
151dd81043e65
hex102b352fa88

1111110122120 has 32 divisors (see below), whose sum is σ = 2500131965400. Its totient is φ = 444420192768.

The previous prime is 1111110122047. The next prime is 1111110122141. The reversal of 1111110122120 is 212210111111.

It can be written as a sum of positive squares in 4 ways, for example, as 923217348964 + 187892773156 = 960842^2 + 433466^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1111110122095 and 1111110122104.

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, 18692 + ... + 1490828.

Almost surely, 21111110122120 is an apocalyptic number.

1111110122120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111110122120 is an abundant number, since it is smaller than the sum of its proper divisors (1389021843280).

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

1111110122120 is a wasteful number, since it uses less digits than its factorization.

1111110122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491017 (or 1491013 counting only the distinct ones).

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

Adding to 1111110122120 its reverse (212210111111), we get a palindrome (1323320233231).

The spelling of 1111110122120 in words is "one trillion, one hundred eleven billion, one hundred ten million, one hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 18869 37738 75476 94345 150952 188690 377380 754760 1472137 2944274 5888548 7360685 11777096 14721370 29442740 58885480 27777753053 55555506106 111111012212 138888765265 222222024424 277777530530 555555061060 1111110122120