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12100222021011 = 328126387543971
BaseRepresentation
bin1011000000010100110101…
…1011110110110110010011
31120211202210021111021121120
42300011031123312312103
53041222223314133021
641422433143453323
72356132532102415
oct260051533666623
946752707437546
1012100222021011
113945747973643
12143512ba57243
1369a07a1c68b7
142db9223149b5
1515eb4b8b42c6
hexb014d6f6d93

12100222021011 has 16 divisors (see below), whose sum is σ = 16191687777408. Its totient is φ = 8037787755200.

The previous prime is 12100222021009. The next prime is 12100222021079. The reversal of 12100222021011 is 11012022200121.

It is a cyclic number.

It is not a de Polignac number, because 12100222021011 - 21 = 12100222021009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12100222001011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21972256 + ... + 22516226.

It is an arithmetic number, because the mean of its divisors is an integer number (1011980486088).

Almost surely, 212100222021011 is an apocalyptic number.

12100222021011 is a deficient number, since it is larger than the sum of its proper divisors (4091465756397).

12100222021011 is a wasteful number, since it uses less digits than its factorization.

12100222021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570642.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12100222021011 its reverse (11012022200121), we get a palindrome (23112244221132).

The spelling of 12100222021011 in words is "twelve trillion, one hundred billion, two hundred twenty-two million, twenty-one thousand, eleven".

Divisors: 1 3 281 843 26387 79161 543971 1631913 7414747 22244241 152855851 458567553 14353762777 43061288331 4033407340337 12100222021011