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22022120101021 = 131916696072859
BaseRepresentation
bin1010000000111011011001…
…01001010101010010011101
32212222021221102011220201121
411000131230221111102131
510341302300221213041
6114500453341410541
74432021444210255
oct500355451252235
985867842156647
1022022120101021
11702058a755147
12257804b569a51
13c398a552ac81
14561c3a7d2965
15282ca4cb77d1
hex14076ca5549d

22022120101021 has 4 divisors (see below), whose sum is σ = 22038816175200. Its totient is φ = 22005424026844.

The previous prime is 22022120100997. The next prime is 22022120101027. The reversal of 22022120101021 is 12010102122022.

It is a happy number.

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 22022120101021 - 213 = 22022120092829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22022120100986 and 22022120101004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022120101027) 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, 8348035111 + ... + 8348037748.

It is an arithmetic number, because the mean of its divisors is an integer number (5509704043800).

Almost surely, 222022120101021 is an apocalyptic number.

It is an amenable number.

22022120101021 is a deficient number, since it is larger than the sum of its proper divisors (16696074179).

22022120101021 is a wasteful number, since it uses less digits than its factorization.

22022120101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16696074178.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22022120101021 its reverse (12010102122022), we get a palindrome (34032222223043).

It can be divided in two parts, 22022 and 120101021, that multiplied together give a palindrome (2644864684462).

The spelling of 22022120101021 in words is "twenty-two trillion, twenty-two billion, one hundred twenty million, one hundred one thousand, twenty-one".

Divisors: 1 1319 16696072859 22022120101021