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102121201102 = 2194789561161
BaseRepresentation
bin101111100011011100…
…1011101110111001110
3100202121000001112010111
41133012321131313032
53133121011413402
6114525215430234
710243441613164
oct1370671356716
9322530045114
10102121201102
113a344834968
121796022537a
13982611161b
144d2aa69234
1529ca58d9d7
hex17c6e5ddce

102121201102 has 16 divisors (see below), whose sum is σ = 161277958800. Its totient is φ = 48363013440.

The previous prime is 102121201093. The next prime is 102121201103. The reversal of 102121201102 is 201102121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102121201103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98599 + ... + 462562.

It is an arithmetic number, because the mean of its divisors is an integer number (10079872425).

Almost surely, 2102121201102 is an apocalyptic number.

102121201102 is a deficient number, since it is larger than the sum of its proper divisors (59156757698).

102121201102 is a wasteful number, since it uses less digits than its factorization.

102121201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565971.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102121201102 its reverse (201102121201), we get a palindrome (303223322303).

The spelling of 102121201102 in words is "one hundred two billion, one hundred twenty-one million, two hundred one thousand, one hundred two".

Divisors: 1 2 19 38 4789 9578 90991 181982 561161 1122322 10662059 21324118 2687400029 5374800058 51060600551 102121201102