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11222421611 = 192939200971
BaseRepresentation
bin10100111001110100…
…01001000001101011
31001222002222002022212
422130322021001223
5140440414442421
65053331235335
7545050003232
oct123472110153
931862862285
1011222421611
114839845505
122212448b4b
13109b03237b
1478664bb19
1545a376e5b
hex29ce8906b

11222421611 has 8 divisors (see below), whose sum is σ = 11817153600. Its totient is φ = 10628097480.

The previous prime is 11222421601. The next prime is 11222421629. The reversal of 11222421611 is 11612422211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11222421611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222421601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44645 + ... + 156326.

It is an arithmetic number, because the mean of its divisors is an integer number (1477144200).

Almost surely, 211222421611 is an apocalyptic number.

11222421611 is a deficient number, since it is larger than the sum of its proper divisors (594731989).

11222421611 is a wasteful number, since it uses less digits than its factorization.

11222421611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203929.

The product of its digits is 384, while the sum is 23.

Adding to 11222421611 its reverse (11612422211), we get a palindrome (22834843822).

The spelling of 11222421611 in words is "eleven billion, two hundred twenty-two million, four hundred twenty-one thousand, six hundred eleven".

Divisors: 1 19 2939 55841 200971 3818449 590653769 11222421611