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201101021999999 = 1118281911090909
BaseRepresentation
bin101101101110011001111010…
…111110101111001101111111
3222101001001212222202210201222
4231232121322332233031333
5202324314343112444444
61551412311212023555
760234032540022062
oct5556317276571577
9871031788683658
10201101021999999
1159093512254040
121a67a885461bbb
13882998ba07b84
1437934acb248d9
15183b174619eee
hexb6e67afaf37f

201101021999999 has 4 divisors (see below), whose sum is σ = 219382933090920. Its totient is φ = 182819110909080.

The previous prime is 201101021999993. The next prime is 201101022000061. The reversal of 201101021999999 is 999999120101102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201101021999999 - 236 = 201032302523263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201101021999993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9140955545444 + ... + 9140955545465.

It is an arithmetic number, because the mean of its divisors is an integer number (54845733272730).

Almost surely, 2201101021999999 is an apocalyptic number.

201101021999999 is a deficient number, since it is larger than the sum of its proper divisors (18281911090921).

201101021999999 is a wasteful number, since it uses less digits than its factorization.

201101021999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18281911090920.

The product of its (nonzero) digits is 2125764, while the sum is 62.

The spelling of 201101021999999 in words is "two hundred one trillion, one hundred one billion, twenty-one million, nine hundred ninety-nine thousand, nine hundred ninety-nine".

Divisors: 1 11 18281911090909 201101021999999