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2021211020201 = 19415419478801
BaseRepresentation
bin11101011010011001100…
…100001001101110101001
321011020002200010022121212
4131122121210021232221
5231103420010121301
64144310450442505
7266012331126062
oct35323144115651
97136080108555
102021211020201
1170a210a2324a
12287883593435
131187a3ac14b9
146db81933569
153789a20e4bb
hex1d699909ba9

2021211020201 has 16 divisors (see below), whose sum is σ = 2179889745600. Its totient is φ = 1867779648000.

The previous prime is 2021211020117. The next prime is 2021211020203. The reversal of 2021211020201 is 1020201121202.

It is not a de Polignac number, because 2021211020201 - 238 = 1746333113257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2021211020203) 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, 3982001 + ... + 4460801.

It is an arithmetic number, because the mean of its divisors is an integer number (136243109100).

Almost surely, 22021211020201 is an apocalyptic number.

It is an amenable number.

2021211020201 is a deficient number, since it is larger than the sum of its proper divisors (158678725399).

2021211020201 is a wasteful number, since it uses less digits than its factorization.

2021211020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484280.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2021211020201 its reverse (1020201121202), we get a palindrome (3041412141403).

The spelling of 2021211020201 in words is "two trillion, twenty-one billion, two hundred eleven million, twenty thousand, two hundred one".

Divisors: 1 19 41 779 5419 102961 222179 478801 4221401 9097219 19630841 372985979 2594622619 49297829761 106379527379 2021211020201