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10222201020021 = 33407400340007
BaseRepresentation
bin1001010011000000101010…
…1010010001111001110101
31100012020021202122121102120
42110300022222101321311
52314440031430120041
633424003032030153
72103346446013224
oct224601252217165
940166252577376
1010222201020021
113291235a90151
12119116a532359
13591c45b50023
14274a8595acbb
1512ad824a2366
hex94c0aa91e75

10222201020021 has 4 divisors (see below), whose sum is σ = 13629601360032. Its totient is φ = 6814800680012.

The previous prime is 10222201020011. The next prime is 10222201020029. The reversal of 10222201020021 is 12002010222201.

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 10222201020021 - 26 = 10222201019957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222201020029) 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, 1703700170001 + ... + 1703700170006.

It is an arithmetic number, because the mean of its divisors is an integer number (3407400340008).

Almost surely, 210222201020021 is an apocalyptic number.

It is an amenable number.

10222201020021 is a deficient number, since it is larger than the sum of its proper divisors (3407400340011).

10222201020021 is an equidigital number, since it uses as much as digits as its factorization.

10222201020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407400340010.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10222201020021 its reverse (12002010222201), we get a palindrome (22224211242222).

The spelling of 10222201020021 in words is "ten trillion, two hundred twenty-two billion, two hundred one million, twenty thousand, twenty-one".

Divisors: 1 3 3407400340007 10222201020021