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2221002211012 = 221381615233621
BaseRepresentation
bin100000010100011110000…
…011000011111011000100
321212022210110111101202121
4200110132003003323010
5242342103031223022
64420151521215324
7316314335205664
oct40243603037304
97768713441677
102221002211012
11786a15934a72
122ba541191544
13131593a90830
14796d5dbc1a4
153cb901892c7
hex2051e0c3ec4

2221002211012 has 24 divisors (see below), whose sum is σ = 4186248630872. Its totient is φ = 1024952140800.

The previous prime is 2221002211007. The next prime is 2221002211033. The reversal of 2221002211012 is 2101122001222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12289052736 + 2208713158276 = 110856^2 + 1486174^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2192439 + ... + 3041182.

Almost surely, 22221002211012 is an apocalyptic number.

It is an amenable number.

2221002211012 is a deficient number, since it is larger than the sum of its proper divisors (1965246419860).

2221002211012 is a wasteful number, since it uses less digits than its factorization.

2221002211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241799 (or 5241797 counting only the distinct ones).

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

Adding to 2221002211012 its reverse (2101122001222), we get a palindrome (4322124212234).

The spelling of 2221002211012 in words is "two trillion, two hundred twenty-one billion, two million, two hundred eleven thousand, twelve".

Divisors: 1 2 4 13 26 52 8161 16322 32644 106093 212186 424372 5233621 10467242 20934484 68037073 136074146 272148292 42711580981 85423161962 170846323924 555250552753 1110501105506 2221002211012