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2021222110201 = 710119753144731
BaseRepresentation
bin11101011010011010001…
…110011101001111111001
321011020010102222202020121
4131122122032131033321
5231103430330011301
64144311524253241
7266012524315330
oct35323216351771
97136112882217
102021222110201
1170a217208338
12287887241221
131187a61a5228
146db831bcd17
153789b1a03a1
hex1d69a39d3f9

2021222110201 has 16 divisors (see below), whose sum is σ = 2332973317248. Its totient is φ = 1715224176000.

The previous prime is 2021222110133. The next prime is 2021222110207. The reversal of 2021222110201 is 1020112221202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2021222110201 - 27 = 2021222110073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021222110207) 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, 13893006 + ... + 14037736.

It is an arithmetic number, because the mean of its divisors is an integer number (145810832328).

Almost surely, 22021222110201 is an apocalyptic number.

It is an amenable number.

2021222110201 is a deficient number, since it is larger than the sum of its proper divisors (311751207047).

2021222110201 is a wasteful number, since it uses less digits than its factorization.

2021222110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164592.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2021222110201 its reverse (1020112221202), we get a palindrome (3041334331403).

The spelling of 2021222110201 in words is "two trillion, twenty-one billion, two hundred twenty-two million, one hundred ten thousand, two hundred one".

Divisors: 1 7 101 707 19753 138271 144731 1013117 1995053 13965371 14617831 102324817 2858871443 20012100101 288746015743 2021222110201