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22012221302101 = 105120944073551
BaseRepresentation
bin1010000000101000111101…
…01000011010010101010101
32212221100101112211211101101
411000110132220122111111
510341122012123131401
6114452135212030101
74431221235622222
oct500243650322525
985840345754341
1022012221302101
117017370081a98
122576148462331
13c389887b4bc4
1456157bc94949
152828c5c4a101
hex14051ea1a555

22012221302101 has 4 divisors (see below), whose sum is σ = 22033165376704. Its totient is φ = 21991277227500.

The previous prime is 22012221302081. The next prime is 22012221302119. The reversal of 22012221302101 is 10120312221022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22012221302101 - 211 = 22012221300053 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 (22012221302161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10472035725 + ... + 10472037826.

It is an arithmetic number, because the mean of its divisors is an integer number (5508291344176).

Almost surely, 222012221302101 is an apocalyptic number.

It is an amenable number.

22012221302101 is a deficient number, since it is larger than the sum of its proper divisors (20944074603).

22012221302101 is a wasteful number, since it uses less digits than its factorization.

22012221302101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20944074602.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22012221302101 its reverse (10120312221022), we get a palindrome (32132533523123).

The spelling of 22012221302101 in words is "twenty-two trillion, twelve billion, two hundred twenty-one million, three hundred two thousand, one hundred one".

Divisors: 1 1051 20944073551 22012221302101