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1201110112213 = 11273135979861
BaseRepresentation
bin10001011110100111101…
…111011101011111010101
311020211021102120122122121
4101132213233131133111
5124134333142042323
62315440554055541
7152530425333544
oct21364757353725
94224242518577
101201110112213
1142342a388900
1217494941a5b1
138935859933b
14421c3b3a15b
152139c3bca5d
hex117a7bdd7d5

1201110112213 has 12 divisors (see below), whose sum is σ = 1338313801804. Its totient is φ = 1076960491200.

The previous prime is 1201110112151. The next prime is 1201110112219. The reversal of 1201110112213 is 3122110111021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 336792194244 + 864317917969 = 580338^2 + 929687^2 .

It is not a de Polignac number, because 1201110112213 - 213 = 1201110104021 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 (1201110112219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67981098 + ... + 67998763.

Almost surely, 21201110112213 is an apocalyptic number.

It is an amenable number.

1201110112213 is a deficient number, since it is larger than the sum of its proper divisors (137203689591).

1201110112213 is a wasteful number, since it uses less digits than its factorization.

1201110112213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135979956 (or 135979945 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1201110112213 its reverse (3122110111021), we get a palindrome (4323220223234).

The spelling of 1201110112213 in words is "one trillion, two hundred one billion, one hundred ten million, one hundred twelve thousand, two hundred thirteen".

Divisors: 1 11 73 121 803 8833 135979861 1495778471 9926529853 16453563181 109191828383 1201110112213