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10101222001201 = 28941533490217
BaseRepresentation
bin1001001011111101111110…
…1111111100101000110001
31022202200000112021200120211
42102333133233330220301
52310444300313014301
633252234243504121
72061534461223442
oct222773757745061
938680015250524
1010101222001201
1132449a4532771
121171826988041
13583705b936a6
1426cc8a5a92c9
15127b515b2051
hex92fdfbfca31

10101222001201 has 4 divisors (see below), whose sum is σ = 10101228385572. Its totient is φ = 10101215616832.

The previous prime is 10101222001193. The next prime is 10101222001207. The reversal of 10101222001201 is 10210022210101.

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 6493710572176 + 3607511429025 = 2548276^2 + 1899345^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101222001201 - 23 = 10101222001193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10101222001207) 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, 1149045 + ... + 4639261.

It is an arithmetic number, because the mean of its divisors is an integer number (2525307096393).

Almost surely, 210101222001201 is an apocalyptic number.

It is an amenable number.

10101222001201 is a deficient number, since it is larger than the sum of its proper divisors (6384371).

10101222001201 is an equidigital number, since it uses as much as digits as its factorization.

10101222001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6384370.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10101222001201 its reverse (10210022210101), we get a palindrome (20311244211302).

The spelling of 10101222001201 in words is "ten trillion, one hundred one billion, two hundred twenty-two million, one thousand, two hundred one".

Divisors: 1 2894153 3490217 10101222001201