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102201021211011 = 3194014074466789
BaseRepresentation
bin10111001111001110000111…
…100100001010000110000011
3111101212022200220000221220020
4113033032013210022012003
5101343430142412223021
61001210300113544523
730345531402560022
oct2717160744120603
9441768626027806
10102201021211011
112a62323410a0a8
12b5672ab275143
134504690452048
141b347ad2528b9
15bc373a6e27c6
hex5cf38790a183

102201021211011 has 16 divisors (see below), whose sum is σ = 143440419225600. Its totient is φ = 64547838141408.

The previous prime is 102201021211001. The next prime is 102201021211013. The reversal of 102201021211011 is 110112120102201.

It is a happy number.

It is not a de Polignac number, because 102201021211011 - 214 = 102201021194627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102201021211013) 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, 20646805 + ... + 25113593.

It is an arithmetic number, because the mean of its divisors is an integer number (8965026201600).

Almost surely, 2102201021211011 is an apocalyptic number.

102201021211011 is a deficient number, since it is larger than the sum of its proper divisors (41239398014589).

102201021211011 is a wasteful number, since it uses less digits than its factorization.

102201021211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4868218.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102201021211011 its reverse (110112120102201), we get a palindrome (212313141313212).

The spelling of 102201021211011 in words is "one hundred two trillion, two hundred one billion, twenty-one million, two hundred eleven thousand, eleven".

Divisors: 1 3 19 57 401407 1204221 4466789 7626733 13400367 22880199 84868991 254606973 1793000372123 5379001116369 34067007070337 102201021211011