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121030110141 = 3592221307873
BaseRepresentation
bin111000010110111110…
…1001110101110111101
3102120101210111121221220
41300231331032232331
53440332202011031
6131333411143553
711513144650653
oct1605575165675
9376353447856
10121030110141
1147368384116
121b5588a4bb9
13b54a7376b5
145c02090dd3
153235633596
hex1c2df4ebbd

121030110141 has 16 divisors (see below), whose sum is σ = 164183046720. Its totient is φ = 79283197440.

The previous prime is 121030110127. The next prime is 121030110161. The reversal of 121030110141 is 141011030121.

It is not a de Polignac number, because 121030110141 - 215 = 121030077373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121030110141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121030110101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239181 + ... + 547053.

It is an arithmetic number, because the mean of its divisors is an integer number (10261440420).

Almost surely, 2121030110141 is an apocalyptic number.

It is an amenable number.

121030110141 is a deficient number, since it is larger than the sum of its proper divisors (43152936579).

121030110141 is a wasteful number, since it uses less digits than its factorization.

121030110141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310156.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 121030110141 its reverse (141011030121), we get a palindrome (262041140262).

The spelling of 121030110141 in words is "one hundred twenty-one billion, thirty million, one hundred ten thousand, one hundred forty-one".

Divisors: 1 3 59 177 2221 6663 131039 307873 393117 923619 18164507 54493521 683785933 2051357799 40343370047 121030110141