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10222210220221 = 63892315999127
BaseRepresentation
bin1001010011000000101100…
…1101011000000010111101
31100012020022101222000201201
42110300023031120002331
52314440041304021341
633424004001135501
72103346620142036
oct224601315300275
940166271860651
1010222210220221
1132912401a441a
12119117162a591
13591c47a2182c
14274a86c73a8d
1512ad831bd331
hex94c0b3580bd

10222210220221 has 4 divisors (see below), whose sum is σ = 10222226858272. Its totient is φ = 10222193582172.

The previous prime is 10222210220207. The next prime is 10222210220227. The reversal of 10222210220221 is 12202201222201.

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 10222210220221 - 219 = 10222209695933 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 (10222210220227) 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, 7360641 + ... + 8638486.

It is an arithmetic number, because the mean of its divisors is an integer number (2555556714568).

Almost surely, 210222210220221 is an apocalyptic number.

It is an amenable number.

10222210220221 is a deficient number, since it is larger than the sum of its proper divisors (16638051).

10222210220221 is an equidigital number, since it uses as much as digits as its factorization.

10222210220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16638050.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10222210220221 its reverse (12202201222201), we get a palindrome (22424411442422).

The spelling of 10222210220221 in words is "ten trillion, two hundred twenty-two billion, two hundred ten million, two hundred twenty thousand, two hundred twenty-one".

Divisors: 1 638923 15999127 10222210220221