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22022102100001 = 36972415956361
BaseRepresentation
bin1010000000111011010111…
…00100101010100000100001
32212222021220011022100222011
411000131223210222200201
510341302231114200001
6114500451455512521
74432021135205203
oct500355344524041
985867804270864
1022022102100001
11702058057a773
122578045528741
13c398a1897693
14561c38268773
15282ca340dd51
hex14076b92a821

22022102100001 has 4 divisors (see below), whose sum is σ = 22022111753604. Its totient is φ = 22022092446400.

The previous prime is 22022102099947. The next prime is 22022102100091. The reversal of 22022102100001 is 10000120122022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1151595119376 + 20870506980625 = 1073124^2 + 4568425^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022102100001 - 27 = 22022102099873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22022102100091) 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, 719061 + ... + 6675421.

It is an arithmetic number, because the mean of its divisors is an integer number (5505527938401).

Almost surely, 222022102100001 is an apocalyptic number.

It is an amenable number.

22022102100001 is a deficient number, since it is larger than the sum of its proper divisors (9653603).

22022102100001 is an equidigital number, since it uses as much as digits as its factorization.

22022102100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9653602.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22022102100001 its reverse (10000120122022), we get a palindrome (32022222222023).

The spelling of 22022102100001 in words is "twenty-two trillion, twenty-two billion, one hundred two million, one hundred thousand, one".

Divisors: 1 3697241 5956361 22022102100001