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22220001120001 = 94123613178661
BaseRepresentation
bin1010000110101011111110…
…10001100000111100000001
32220200012201002020012201111
411003111333101200330001
510403023030241320001
6115131421054403321
74452225225134116
oct503257721407401
986605632205644
1022220001120001
1170974a43a3563
1225aa475500541
13c5244c844909
1456b64d2c690d
15287ed71c5851
hex14357f460f01

22220001120001 has 4 divisors (see below), whose sum is σ = 22243614299604. Its totient is φ = 22196387940400.

The previous prime is 22220001119957. The next prime is 22220001120013. The reversal of 22220001120001 is 10002110002222.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5883651789376 + 16336349330625 = 2425624^2 + 4041825^2 .

It is a cyclic number.

It is not a de Polignac number, because 22220001120001 - 211 = 22220001117953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22220001120041) 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, 11806588390 + ... + 11806590271.

It is an arithmetic number, because the mean of its divisors is an integer number (5560903574901).

Almost surely, 222220001120001 is an apocalyptic number.

It is an amenable number.

22220001120001 is a deficient number, since it is larger than the sum of its proper divisors (23613179603).

22220001120001 is an equidigital number, since it uses as much as digits as its factorization.

22220001120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23613179602.

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

Adding to 22220001120001 its reverse (10002110002222), we get a palindrome (32222111122223).

The spelling of 22220001120001 in words is "twenty-two trillion, two hundred twenty billion, one million, one hundred twenty thousand, one".

Divisors: 1 941 23613178661 22220001120001