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102120102201 = 31324029108971
BaseRepresentation
bin101111100011011010…
…1010001100100111001
3100202120220222200201110
41133012311101210321
53133120221232301
6114525140110533
710243426355325
oct1370665214471
9322526880643
10102120102201
113a344154287
121795b995449
139825b183a0
144d2a860985
1529ca4230d6
hex17c6d51939

102120102201 has 16 divisors (see below), whose sum is σ = 146641440960. Its totient is φ = 62839947840.

The previous prime is 102120102187. The next prime is 102120102283. The reversal of 102120102201 is 102201021201.

It is not a de Polignac number, because 102120102201 - 25 = 102120102169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102120102101) 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, 882646 + ... + 991616.

It is an arithmetic number, because the mean of its divisors is an integer number (9165090060).

Almost surely, 2102120102201 is an apocalyptic number.

It is an amenable number.

102120102201 is a deficient number, since it is larger than the sum of its proper divisors (44521338759).

102120102201 is a wasteful number, since it uses less digits than its factorization.

102120102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133016.

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

Adding to 102120102201 its reverse (102201021201), we get a palindrome (204321123402).

The spelling of 102120102201 in words is "one hundred two billion, one hundred twenty million, one hundred two thousand, two hundred one".

Divisors: 1 3 13 39 24029 72087 108971 312377 326913 937131 1416623 4249869 2618464159 7855392477 34040034067 102120102201