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22101220120019 = 69544731779877
BaseRepresentation
bin1010000011001110101110…
…10111111101010111010011
32220020212010000211012212212
411001213113113331113103
510344101244322320034
6115001054345342335
74440521560242455
oct501472727752723
986225100735785
1022101220120019
117051090642177
12258b445a979ab
13c441a0074c41
145659c1c182d5
15284d842602ce
hex1419d75fd5d3

22101220120019 has 4 divisors (see below), whose sum is σ = 22101252595344. Its totient is φ = 22101187644696.

The previous prime is 22101220119973. The next prime is 22101220120081. The reversal of 22101220120019 is 91002102210122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22101220120019 is a prime.

It is a super-2 number, since 2×221012201200192 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22101220119976 and 22101220120003.

It is not an unprimeable number, because it can be changed into a prime (22101220120099) 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, 15194492 + ... + 16585385.

It is an arithmetic number, because the mean of its divisors is an integer number (5525313148836).

Almost surely, 222101220120019 is an apocalyptic number.

22101220120019 is a deficient number, since it is larger than the sum of its proper divisors (32475325).

22101220120019 is an equidigital number, since it uses as much as digits as its factorization.

22101220120019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32475324.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 22101220120019 in words is "twenty-two trillion, one hundred one billion, two hundred twenty million, one hundred twenty thousand, nineteen".

Divisors: 1 695447 31779877 22101220120019